diff options
Diffstat (limited to 'vendor/gitea.com/go-chi')
28 files changed, 3502 insertions, 0 deletions
diff --git a/vendor/gitea.com/go-chi/binding/.drone.yml b/vendor/gitea.com/go-chi/binding/.drone.yml new file mode 100644 index 0000000000..9baf4f1cf7 --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/.drone.yml @@ -0,0 +1,24 @@ +kind: pipeline +name: go1-1-1 + +steps: +- name: test + image: golang:1.11 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic + +--- +kind: pipeline +name: go1-1-2 + +steps: +- name: test + image: golang:1.12 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/binding/.gitignore b/vendor/gitea.com/go-chi/binding/.gitignore new file mode 100644 index 0000000000..485dee64bc --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/.gitignore @@ -0,0 +1 @@ +.idea diff --git a/vendor/gitea.com/go-chi/binding/LICENSE b/vendor/gitea.com/go-chi/binding/LICENSE new file mode 100644 index 0000000000..8405e89a0b --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. 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\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/binding/README.md b/vendor/gitea.com/go-chi/binding/README.md new file mode 100644 index 0000000000..80ea763735 --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/README.md @@ -0,0 +1,5 @@ +Middleware binding provides request data binding and validation for net/http, It's a fork of [Macaron](https://github.com/go-macaron/macaron). + +## License + +This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text.
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/binding/binding.go b/vendor/gitea.com/go-chi/binding/binding.go new file mode 100644 index 0000000000..acd2a7e171 --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/binding.go @@ -0,0 +1,715 @@ +// Copyright 2014 Martini Authors +// Copyright 2014 The Macaron Authors +// Copyright 2020 The Gitea Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +// Package binding is a middleware that provides request data binding and validation for Chi. +package binding + +import ( + "encoding/json" + "fmt" + "io" + "mime/multipart" + "net/http" + "net/url" + "reflect" + "regexp" + "strconv" + "strings" + "unicode/utf8" + + "github.com/unknwon/com" +) + +// Bind wraps up the functionality of the Form and Json middleware +// according to the Content-Type and verb of the request. +// A Content-Type is required for POST and PUT requests. +// Bind invokes the ErrorHandler middleware to bail out if errors +// occurred. If you want to perform your own error handling, use +// Form or Json middleware directly. An interface pointer can +// be added as a second argument in order to map the struct to +// a specific interface. +func Bind(req *http.Request, obj interface{}) Errors { + contentType := req.Header.Get("Content-Type") + if req.Method == "POST" || req.Method == "PUT" || len(contentType) > 0 { + switch { + case strings.Contains(contentType, "form-urlencoded"): + return Form(req, obj) + case strings.Contains(contentType, "multipart/form-data"): + return MultipartForm(req, obj) + case strings.Contains(contentType, "json"): + return JSON(req, obj) + default: + var errors Errors + if contentType == "" { + errors.Add([]string{}, ERR_CONTENT_TYPE, "Empty Content-Type") + } else { + errors.Add([]string{}, ERR_CONTENT_TYPE, "Unsupported Content-Type") + } + return errors + } + } else { + return Form(req, obj) + } +} + +const ( + _JSON_CONTENT_TYPE = "application/json; charset=utf-8" + STATUS_UNPROCESSABLE_ENTITY = 422 +) + +// errorHandler simply counts the number of errors in the +// context and, if more than 0, writes a response with an +// error code and a JSON payload describing the errors. +// The response will have a JSON content-type. +// Middleware remaining on the stack will not even see the request +// if, by this point, there are any errors. +// This is a "default" handler, of sorts, and you are +// welcome to use your own instead. The Bind middleware +// invokes this automatically for convenience. +func errorHandler(errs Errors, rw http.ResponseWriter) { + if len(errs) > 0 { + rw.Header().Set("Content-Type", _JSON_CONTENT_TYPE) + if errs.Has(ERR_DESERIALIZATION) { + rw.WriteHeader(http.StatusBadRequest) + } else if errs.Has(ERR_CONTENT_TYPE) { + rw.WriteHeader(http.StatusUnsupportedMediaType) + } else { + rw.WriteHeader(STATUS_UNPROCESSABLE_ENTITY) + } + errOutput, _ := json.Marshal(errs) + rw.Write(errOutput) + return + } +} + +// Form is middleware to deserialize form-urlencoded data from the request. +// It gets data from the form-urlencoded body, if present, or from the +// query string. It uses the http.Request.ParseForm() method +// to perform deserialization, then reflection is used to map each field +// into the struct with the proper type. Structs with primitive slice types +// (bool, float, int, string) can support deserialization of repeated form +// keys, for example: key=val1&key=val2&key=val3 +// An interface pointer can be added as a second argument in order +// to map the struct to a specific interface. +func Form(req *http.Request, formStruct interface{}) Errors { + var errors Errors + + ensurePointer(formStruct) + formStructV := reflect.ValueOf(formStruct) + parseErr := req.ParseForm() + + // Format validation of the request body or the URL would add considerable overhead, + // and ParseForm does not complain when URL encoding is off. + // Because an empty request body or url can also mean absence of all needed values, + // it is not in all cases a bad request, so let's return 422. + if parseErr != nil { + errors.Add([]string{}, ERR_DESERIALIZATION, parseErr.Error()) + } + errors = mapForm(formStructV, req.Form, nil, errors) + return append(errors, Validate(req, formStruct)...) +} + +// MaxMemory represents maximum amount of memory to use when parsing a multipart form. +// Set this to whatever value you prefer; default is 10 MB. +var MaxMemory = int64(1024 * 1024 * 10) + +// MultipartForm works much like Form, except it can parse multipart forms +// and handle file uploads. Like the other deserialization middleware handlers, +// you can pass in an interface to make the interface available for injection +// into other handlers later. +func MultipartForm(req *http.Request, formStruct interface{}) Errors { + var errors Errors + ensurePointer(formStruct) + formStructV := reflect.ValueOf(formStruct) + // This if check is necessary due to https://github.com/martini-contrib/csrf/issues/6 + if req.MultipartForm == nil { + // Workaround for multipart forms returning nil instead of an error + // when content is not multipart; see https://code.google.com/p/go/issues/detail?id=6334 + if multipartReader, err := req.MultipartReader(); err != nil { + errors.Add([]string{}, ERR_DESERIALIZATION, err.Error()) + } else { + form, parseErr := multipartReader.ReadForm(MaxMemory) + if parseErr != nil { + errors.Add([]string{}, ERR_DESERIALIZATION, parseErr.Error()) + } + + if req.Form == nil { + req.ParseForm() + } + for k, v := range form.Value { + req.Form[k] = append(req.Form[k], v...) + } + + req.MultipartForm = form + } + } + errors = mapForm(formStructV, req.MultipartForm.Value, req.MultipartForm.File, errors) + return append(errors, Validate(req, formStruct)...) +} + +// JSON is middleware to deserialize a JSON payload from the request +// into the struct that is passed in. The resulting struct is then +// validated, but no error handling is actually performed here. +// An interface pointer can be added as a second argument in order +// to map the struct to a specific interface. +func JSON(req *http.Request, jsonStruct interface{}) Errors { + var errors Errors + ensurePointer(jsonStruct) + + if req.Body != nil { + defer req.Body.Close() + err := json.NewDecoder(req.Body).Decode(jsonStruct) + if err != nil && err != io.EOF { + errors.Add([]string{}, ERR_DESERIALIZATION, err.Error()) + } + } + return append(errors, Validate(req, jsonStruct)...) +} + +// RawValidate is same as Validate but does not require a HTTP context, +// and can be used independently just for validation. +// This function does not support Validator interface. +func RawValidate(obj interface{}) Errors { + var errs Errors + v := reflect.ValueOf(obj) + k := v.Kind() + if k == reflect.Interface || k == reflect.Ptr { + v = v.Elem() + k = v.Kind() + } + if k == reflect.Slice || k == reflect.Array { + for i := 0; i < v.Len(); i++ { + e := v.Index(i).Interface() + errs = validateStruct(errs, e) + } + } else { + errs = validateStruct(errs, obj) + } + return errs +} + +// Validate is middleware to enforce required fields. If the struct +// passed in implements Validator, then the user-defined Validate method +// is executed, and its errors are mapped to the context. This middleware +// performs no error handling: it merely detects errors and maps them. +func Validate(req *http.Request, obj interface{}) Errors { + var errs Errors + v := reflect.ValueOf(obj) + k := v.Kind() + if k == reflect.Interface || k == reflect.Ptr { + v = v.Elem() + k = v.Kind() + } + if k == reflect.Slice || k == reflect.Array { + for i := 0; i < v.Len(); i++ { + e := v.Index(i).Interface() + errs = validateStruct(errs, e) + if validator, ok := e.(Validator); ok { + errs = validator.Validate(req, errs) + } + } + } else { + errs = validateStruct(errs, obj) + if validator, ok := obj.(Validator); ok { + errs = validator.Validate(req, errs) + } + } + return errs +} + +var ( + AlphaDashPattern = regexp.MustCompile("[^\\d\\w-_]") + AlphaDashDotPattern = regexp.MustCompile("[^\\d\\w-_\\.]") + EmailPattern = regexp.MustCompile("[\\w!#$%&'*+/=?^_`{|}~-]+(?:\\.[\\w!#$%&'*+/=?^_`{|}~-]+)*@(?:[\\w](?:[\\w-]*[\\w])?\\.)+[a-zA-Z0-9](?:[\\w-]*[\\w])?") +) + +// Copied from github.com/asaskevich/govalidator. +const _MAX_URL_RUNE_COUNT = 2083 +const _MIN_URL_RUNE_COUNT = 3 + +var ( + urlSchemaRx = `((ftp|tcp|udp|wss?|https?):\/\/)` + urlUsernameRx = `(\S+(:\S*)?@)` + urlIPRx = `([1-9]\d?|1\d\d|2[01]\d|22[0-3])(\.(1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.([0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))` + ipRx = `(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))` + urlSubdomainRx = `((www\.)|([a-zA-Z0-9]([-\.][-\._a-zA-Z0-9]+)*))` + urlPortRx = `(:(\d{1,5}))` + urlPathRx = `((\/|\?|#)[^\s]*)` + URLPattern = regexp.MustCompile(`^` + urlSchemaRx + `?` + urlUsernameRx + `?` + `((` + urlIPRx + `|(\[` + ipRx + `\])|(([a-zA-Z0-9]([a-zA-Z0-9-_]+)?[a-zA-Z0-9]([-\.][a-zA-Z0-9]+)*)|(` + urlSubdomainRx + `?))?(([a-zA-Z\x{00a1}-\x{ffff}0-9]+-?-?)*[a-zA-Z\x{00a1}-\x{ffff}0-9]+)(?:\.([a-zA-Z\x{00a1}-\x{ffff}]{1,}))?))\.?` + urlPortRx + `?` + urlPathRx + `?$`) +) + +// IsURL check if the string is an URL. +func isURL(str string) bool { + if str == "" || utf8.RuneCountInString(str) >= _MAX_URL_RUNE_COUNT || len(str) <= _MIN_URL_RUNE_COUNT || strings.HasPrefix(str, ".") { + return false + } + u, err := url.Parse(str) + if err != nil { + return false + } + if strings.HasPrefix(u.Host, ".") { + return false + } + if u.Host == "" && (u.Path != "" && !strings.Contains(u.Path, ".")) { + return false + } + return URLPattern.MatchString(str) + +} + +type ( + // Rule represents a validation rule. + Rule struct { + // IsMatch checks if rule matches. + IsMatch func(string) bool + // IsValid applies validation rule to condition. + IsValid func(Errors, string, interface{}) (bool, Errors) + } + + // ParamRule does same thing as Rule but passes rule itself to IsValid method. + ParamRule struct { + // IsMatch checks if rule matches. + IsMatch func(string) bool + // IsValid applies validation rule to condition. + IsValid func(Errors, string, string, interface{}) (bool, Errors) + } + + // RuleMapper and ParamRuleMapper represent validation rule mappers, + // it allwos users to add custom validation rules. + RuleMapper []*Rule + ParamRuleMapper []*ParamRule +) + +var ruleMapper RuleMapper +var paramRuleMapper ParamRuleMapper + +// AddRule adds new validation rule. +func AddRule(r *Rule) { + ruleMapper = append(ruleMapper, r) +} + +// AddParamRule adds new validation rule. +func AddParamRule(r *ParamRule) { + paramRuleMapper = append(paramRuleMapper, r) +} + +func in(fieldValue interface{}, arr string) bool { + val := fmt.Sprintf("%v", fieldValue) + vals := strings.Split(arr, ",") + isIn := false + for _, v := range vals { + if v == val { + isIn = true + break + } + } + return isIn +} + +func parseFormName(raw, actual string) string { + if len(actual) > 0 { + return actual + } + return nameMapper(raw) +} + +// Performs required field checking on a struct +func validateStruct(errors Errors, obj interface{}) Errors { + typ := reflect.TypeOf(obj) + val := reflect.ValueOf(obj) + + if typ.Kind() == reflect.Ptr { + typ = typ.Elem() + val = val.Elem() + } + + for i := 0; i < typ.NumField(); i++ { + field := typ.Field(i) + + // Allow ignored fields in the struct + if field.Tag.Get("form") == "-" || !val.Field(i).CanInterface() { + continue + } + + fieldVal := val.Field(i) + fieldValue := fieldVal.Interface() + zero := reflect.Zero(field.Type).Interface() + + // Validate nested and embedded structs (if pointer, only do so if not nil) + if field.Type.Kind() == reflect.Struct || + (field.Type.Kind() == reflect.Ptr && !reflect.DeepEqual(zero, fieldValue) && + field.Type.Elem().Kind() == reflect.Struct) { + errors = validateStruct(errors, fieldValue) + } + errors = validateField(errors, zero, field, fieldVal, fieldValue) + } + return errors +} + +// Don't pass in pointers to bind to. Can lead to bugs. +func ensureNotPointer(obj interface{}) { + if reflect.TypeOf(obj).Kind() == reflect.Ptr { + panic("Pointers are not accepted as binding models") + } +} + +func validateField(errors Errors, zero interface{}, field reflect.StructField, fieldVal reflect.Value, fieldValue interface{}) Errors { + if fieldVal.Kind() == reflect.Slice { + for i := 0; i < fieldVal.Len(); i++ { + sliceVal := fieldVal.Index(i) + if sliceVal.Kind() == reflect.Ptr { + sliceVal = sliceVal.Elem() + } + + sliceValue := sliceVal.Interface() + zero := reflect.Zero(sliceVal.Type()).Interface() + if sliceVal.Kind() == reflect.Struct || + (sliceVal.Kind() == reflect.Ptr && !reflect.DeepEqual(zero, sliceValue) && + sliceVal.Elem().Kind() == reflect.Struct) { + errors = validateStruct(errors, sliceValue) + } + /* Apply validation rules to each item in a slice. ISSUE #3 + else { + errors = validateField(errors, zero, field, sliceVal, sliceValue) + }*/ + } + } + +VALIDATE_RULES: + for _, rule := range strings.Split(field.Tag.Get("binding"), ";") { + if len(rule) == 0 { + continue + } + + switch { + case rule == "OmitEmpty": + if reflect.DeepEqual(zero, fieldValue) { + break VALIDATE_RULES + } + case rule == "Required": + v := reflect.ValueOf(fieldValue) + if v.Kind() == reflect.Slice { + if v.Len() == 0 { + errors.Add([]string{field.Name}, ERR_REQUIRED, "Required") + break VALIDATE_RULES + } + + continue + } + + if reflect.DeepEqual(zero, fieldValue) { + errors.Add([]string{field.Name}, ERR_REQUIRED, "Required") + break VALIDATE_RULES + } + case rule == "AlphaDash": + if AlphaDashPattern.MatchString(fmt.Sprintf("%v", fieldValue)) { + errors.Add([]string{field.Name}, ERR_ALPHA_DASH, "AlphaDash") + break VALIDATE_RULES + } + case rule == "AlphaDashDot": + if AlphaDashDotPattern.MatchString(fmt.Sprintf("%v", fieldValue)) { + errors.Add([]string{field.Name}, ERR_ALPHA_DASH_DOT, "AlphaDashDot") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "Size("): + size, _ := strconv.Atoi(rule[5 : len(rule)-1]) + if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) != size { + errors.Add([]string{field.Name}, ERR_SIZE, "Size") + break VALIDATE_RULES + } + v := reflect.ValueOf(fieldValue) + if v.Kind() == reflect.Slice && v.Len() != size { + errors.Add([]string{field.Name}, ERR_SIZE, "Size") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "MinSize("): + min, _ := strconv.Atoi(rule[8 : len(rule)-1]) + if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) < min { + errors.Add([]string{field.Name}, ERR_MIN_SIZE, "MinSize") + break VALIDATE_RULES + } + v := reflect.ValueOf(fieldValue) + if v.Kind() == reflect.Slice && v.Len() < min { + errors.Add([]string{field.Name}, ERR_MIN_SIZE, "MinSize") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "MaxSize("): + max, _ := strconv.Atoi(rule[8 : len(rule)-1]) + if str, ok := fieldValue.(string); ok && utf8.RuneCountInString(str) > max { + errors.Add([]string{field.Name}, ERR_MAX_SIZE, "MaxSize") + break VALIDATE_RULES + } + v := reflect.ValueOf(fieldValue) + if v.Kind() == reflect.Slice && v.Len() > max { + errors.Add([]string{field.Name}, ERR_MAX_SIZE, "MaxSize") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "Range("): + nums := strings.Split(rule[6:len(rule)-1], ",") + if len(nums) != 2 { + break VALIDATE_RULES + } + val := com.StrTo(fmt.Sprintf("%v", fieldValue)).MustInt() + if val < com.StrTo(nums[0]).MustInt() || val > com.StrTo(nums[1]).MustInt() { + errors.Add([]string{field.Name}, ERR_RANGE, "Range") + break VALIDATE_RULES + } + case rule == "Email": + if !EmailPattern.MatchString(fmt.Sprintf("%v", fieldValue)) { + errors.Add([]string{field.Name}, ERR_EMAIL, "Email") + break VALIDATE_RULES + } + case rule == "Url": + str := fmt.Sprintf("%v", fieldValue) + if len(str) == 0 { + continue + } else if !isURL(str) { + errors.Add([]string{field.Name}, ERR_URL, "Url") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "In("): + if !in(fieldValue, rule[3:len(rule)-1]) { + errors.Add([]string{field.Name}, ERR_IN, "In") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "NotIn("): + if in(fieldValue, rule[6:len(rule)-1]) { + errors.Add([]string{field.Name}, ERR_NOT_INT, "NotIn") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "Include("): + if !strings.Contains(fmt.Sprintf("%v", fieldValue), rule[8:len(rule)-1]) { + errors.Add([]string{field.Name}, ERR_INCLUDE, "Include") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "Exclude("): + if strings.Contains(fmt.Sprintf("%v", fieldValue), rule[8:len(rule)-1]) { + errors.Add([]string{field.Name}, ERR_EXCLUDE, "Exclude") + break VALIDATE_RULES + } + case strings.HasPrefix(rule, "Default("): + if reflect.DeepEqual(zero, fieldValue) { + if fieldVal.CanAddr() { + errors = setWithProperType(field.Type.Kind(), rule[8:len(rule)-1], fieldVal, field.Tag.Get("form"), errors) + } else { + errors.Add([]string{field.Name}, ERR_EXCLUDE, "Default") + break VALIDATE_RULES + } + } + default: + // Apply custom validation rules + var isValid bool + for i := range ruleMapper { + if ruleMapper[i].IsMatch(rule) { + isValid, errors = ruleMapper[i].IsValid(errors, field.Name, fieldValue) + if !isValid { + break VALIDATE_RULES + } + } + } + for i := range paramRuleMapper { + if paramRuleMapper[i].IsMatch(rule) { + isValid, errors = paramRuleMapper[i].IsValid(errors, rule, field.Name, fieldValue) + if !isValid { + break VALIDATE_RULES + } + } + } + } + } + return errors +} + +// NameMapper represents a form tag name mapper. +type NameMapper func(string) string + +var ( + nameMapper = func(field string) string { + newstr := make([]rune, 0, len(field)) + for i, chr := range field { + if isUpper := 'A' <= chr && chr <= 'Z'; isUpper { + if i > 0 { + newstr = append(newstr, '_') + } + chr -= ('A' - 'a') + } + newstr = append(newstr, chr) + } + return string(newstr) + } +) + +// SetNameMapper sets name mapper. +func SetNameMapper(nm NameMapper) { + nameMapper = nm +} + +// Takes values from the form data and puts them into a struct +func mapForm(formStruct reflect.Value, form map[string][]string, + formfile map[string][]*multipart.FileHeader, errors Errors) Errors { + + if formStruct.Kind() == reflect.Ptr { + formStruct = formStruct.Elem() + } + typ := formStruct.Type() + + for i := 0; i < typ.NumField(); i++ { + typeField := typ.Field(i) + structField := formStruct.Field(i) + + if typeField.Type.Kind() == reflect.Ptr && typeField.Anonymous { + structField.Set(reflect.New(typeField.Type.Elem())) + errors = mapForm(structField.Elem(), form, formfile, errors) + if reflect.DeepEqual(structField.Elem().Interface(), reflect.Zero(structField.Elem().Type()).Interface()) { + structField.Set(reflect.Zero(structField.Type())) + } + } else if typeField.Type.Kind() == reflect.Struct { + errors = mapForm(structField, form, formfile, errors) + } + + inputFieldName := parseFormName(typeField.Name, typeField.Tag.Get("form")) + if len(inputFieldName) == 0 || !structField.CanSet() { + continue + } + + inputValue, exists := form[inputFieldName] + if exists { + numElems := len(inputValue) + if structField.Kind() == reflect.Slice && numElems > 0 { + sliceOf := structField.Type().Elem().Kind() + slice := reflect.MakeSlice(structField.Type(), numElems, numElems) + for i := 0; i < numElems; i++ { + errors = setWithProperType(sliceOf, inputValue[i], slice.Index(i), inputFieldName, errors) + } + formStruct.Field(i).Set(slice) + } else { + errors = setWithProperType(typeField.Type.Kind(), inputValue[0], structField, inputFieldName, errors) + } + continue + } + + inputFile, exists := formfile[inputFieldName] + if !exists { + continue + } + fhType := reflect.TypeOf((*multipart.FileHeader)(nil)) + numElems := len(inputFile) + if structField.Kind() == reflect.Slice && numElems > 0 && structField.Type().Elem() == fhType { + slice := reflect.MakeSlice(structField.Type(), numElems, numElems) + for i := 0; i < numElems; i++ { + slice.Index(i).Set(reflect.ValueOf(inputFile[i])) + } + structField.Set(slice) + } else if structField.Type() == fhType { + structField.Set(reflect.ValueOf(inputFile[0])) + } + } + return errors +} + +// This sets the value in a struct of an indeterminate type to the +// matching value from the request (via Form middleware) in the +// same type, so that not all deserialized values have to be strings. +// Supported types are string, int, float, and bool. +func setWithProperType(valueKind reflect.Kind, val string, structField reflect.Value, nameInTag string, errors Errors) Errors { + switch valueKind { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + if val == "" { + val = "0" + } + intVal, err := strconv.ParseInt(val, 10, 64) + if err != nil { + errors.Add([]string{nameInTag}, ERR_INTERGER_TYPE, "Value could not be parsed as integer") + } else { + structField.SetInt(intVal) + } + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + if val == "" { + val = "0" + } + uintVal, err := strconv.ParseUint(val, 10, 64) + if err != nil { + errors.Add([]string{nameInTag}, ERR_INTERGER_TYPE, "Value could not be parsed as unsigned integer") + } else { + structField.SetUint(uintVal) + } + case reflect.Bool: + if val == "on" { + structField.SetBool(true) + break + } + + if val == "" { + val = "false" + } + boolVal, err := strconv.ParseBool(val) + if err != nil { + errors.Add([]string{nameInTag}, ERR_BOOLEAN_TYPE, "Value could not be parsed as boolean") + } else if boolVal { + structField.SetBool(true) + } + case reflect.Float32: + if val == "" { + val = "0.0" + } + floatVal, err := strconv.ParseFloat(val, 32) + if err != nil { + errors.Add([]string{nameInTag}, ERR_FLOAT_TYPE, "Value could not be parsed as 32-bit float") + } else { + structField.SetFloat(floatVal) + } + case reflect.Float64: + if val == "" { + val = "0.0" + } + floatVal, err := strconv.ParseFloat(val, 64) + if err != nil { + errors.Add([]string{nameInTag}, ERR_FLOAT_TYPE, "Value could not be parsed as 64-bit float") + } else { + structField.SetFloat(floatVal) + } + case reflect.String: + structField.SetString(val) + } + return errors +} + +// Pointers must be bind to. +func ensurePointer(obj interface{}) { + if reflect.TypeOf(obj).Kind() != reflect.Ptr { + panic("Pointers are only accepted as binding models") + } +} + +type ( + // ErrorHandler is the interface that has custom error handling process. + ErrorHandler interface { + // Error handles validation errors with custom process. + Error(*http.Request, Errors) + } + + // Validator is the interface that handles some rudimentary + // request validation logic so your application doesn't have to. + Validator interface { + // Validate validates that the request is OK. It is recommended + // that validation be limited to checking values for syntax and + // semantics, enough to know that you can make sense of the request + // in your application. For example, you might verify that a credit + // card number matches a valid pattern, but you probably wouldn't + // perform an actual credit card authorization here. + Validate(*http.Request, Errors) Errors + } +) diff --git a/vendor/gitea.com/go-chi/binding/errors.go b/vendor/gitea.com/go-chi/binding/errors.go new file mode 100644 index 0000000000..8cbe44a9d1 --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/errors.go @@ -0,0 +1,159 @@ +// Copyright 2014 Martini Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package binding + +const ( + // Type mismatch errors. + ERR_CONTENT_TYPE = "ContentTypeError" + ERR_DESERIALIZATION = "DeserializationError" + ERR_INTERGER_TYPE = "IntegerTypeError" + ERR_BOOLEAN_TYPE = "BooleanTypeError" + ERR_FLOAT_TYPE = "FloatTypeError" + + // Validation errors. + ERR_REQUIRED = "RequiredError" + ERR_ALPHA_DASH = "AlphaDashError" + ERR_ALPHA_DASH_DOT = "AlphaDashDotError" + ERR_SIZE = "SizeError" + ERR_MIN_SIZE = "MinSizeError" + ERR_MAX_SIZE = "MaxSizeError" + ERR_RANGE = "RangeError" + ERR_EMAIL = "EmailError" + ERR_URL = "UrlError" + ERR_IN = "InError" + ERR_NOT_INT = "NotInError" + ERR_INCLUDE = "IncludeError" + ERR_EXCLUDE = "ExcludeError" + ERR_DEFAULT = "DefaultError" +) + +type ( + // Errors may be generated during deserialization, binding, + // or validation. This type is mapped to the context so you + // can inject it into your own handlers and use it in your + // application if you want all your errors to look the same. + Errors []Error + + Error struct { + // An error supports zero or more field names, because an + // error can morph three ways: (1) it can indicate something + // wrong with the request as a whole, (2) it can point to a + // specific problem with a particular input field, or (3) it + // can span multiple related input fields. + FieldNames []string `json:"fieldNames,omitempty"` + + // The classification is like an error code, convenient to + // use when processing or categorizing an error programmatically. + // It may also be called the "kind" of error. + Classification string `json:"classification,omitempty"` + + // Message should be human-readable and detailed enough to + // pinpoint and resolve the problem, but it should be brief. For + // example, a payload of 100 objects in a JSON array might have + // an error in the 41st object. The message should help the + // end user find and fix the error with their request. + Message string `json:"message,omitempty"` + } +) + +// Add adds an error associated with the fields indicated +// by fieldNames, with the given classification and message. +func (e *Errors) Add(fieldNames []string, classification, message string) { + *e = append(*e, Error{ + FieldNames: fieldNames, + Classification: classification, + Message: message, + }) +} + +// Len returns the number of errors. +func (e *Errors) Len() int { + return len(*e) +} + +// Has determines whether an Errors slice has an Error with +// a given classification in it; it does not search on messages +// or field names. +func (e *Errors) Has(class string) bool { + for _, err := range *e { + if err.Kind() == class { + return true + } + } + return false +} + +/* +// WithClass gets a copy of errors that are classified by the +// the given classification. +func (e *Errors) WithClass(classification string) Errors { + var errs Errors + for _, err := range *e { + if err.Kind() == classification { + errs = append(errs, err) + } + } + return errs +} + +// ForField gets a copy of errors that are associated with the +// field by the given name. +func (e *Errors) ForField(name string) Errors { + var errs Errors + for _, err := range *e { + for _, fieldName := range err.Fields() { + if fieldName == name { + errs = append(errs, err) + break + } + } + } + return errs +} + +// Get gets errors of a particular class for the specified +// field name. +func (e *Errors) Get(class, fieldName string) Errors { + var errs Errors + for _, err := range *e { + if err.Kind() == class { + for _, nameOfField := range err.Fields() { + if nameOfField == fieldName { + errs = append(errs, err) + break + } + } + } + } + return errs +} +*/ + +// Fields returns the list of field names this error is +// associated with. +func (e Error) Fields() []string { + return e.FieldNames +} + +// Kind returns this error's classification. +func (e Error) Kind() string { + return e.Classification +} + +// Error returns this error's message. +func (e Error) Error() string { + return e.Message +} diff --git a/vendor/gitea.com/go-chi/binding/go.mod b/vendor/gitea.com/go-chi/binding/go.mod new file mode 100644 index 0000000000..68e7cc5c7e --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/go.mod @@ -0,0 +1,9 @@ +module gitea.com/go-chi/binding + +go 1.13 + +require ( + github.com/go-chi/chi v1.5.1 + github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 + github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e +) diff --git a/vendor/gitea.com/go-chi/binding/go.sum b/vendor/gitea.com/go-chi/binding/go.sum new file mode 100644 index 0000000000..158860f7c2 --- /dev/null +++ b/vendor/gitea.com/go-chi/binding/go.sum @@ -0,0 +1,22 @@ +github.com/go-chi/chi v1.5.1 h1:kfTK3Cxd/dkMu/rKs5ZceWYp+t5CtiE7vmaTv3LjC6w= +github.com/go-chi/chi v1.5.1/go.mod h1:REp24E+25iKvxgeTfHmdUoL5x15kBiDBlnIl5bCwe2k= +github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= +github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg= +github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= +github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU= +github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo= +github.com/jtolds/gls v4.20.0+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU= +github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc= +github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304 h1:Jpy1PXuP99tXNrhbq2BaPz9B+jNAvH1JPQQpG/9GCXY= +github.com/smartystreets/assertions v0.0.0-20190116191733-b6c0e53d7304/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc= +github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s= +github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 h1:WN9BUFbdyOsSH/XohnWpXOlq9NBD5sGAB2FciQMUEe8= +github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA= +github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e h1:GSGeB9EAKY2spCABz6xOX5DbxZEXolK+nBSvmsQwRjM= +github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnlCXM= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= diff --git a/vendor/gitea.com/go-chi/cache/.drone.yml b/vendor/gitea.com/go-chi/cache/.drone.yml new file mode 100644 index 0000000000..9baf4f1cf7 --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/.drone.yml @@ -0,0 +1,24 @@ +kind: pipeline +name: go1-1-1 + +steps: +- name: test + image: golang:1.11 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic + +--- +kind: pipeline +name: go1-1-2 + +steps: +- name: test + image: golang:1.12 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/cache/.gitignore b/vendor/gitea.com/go-chi/cache/.gitignore new file mode 100644 index 0000000000..5c84e85ffc --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/.gitignore @@ -0,0 +1,5 @@ +nodb/cache +ledis/tmp.db/ +nodb/tmp.db/ +/vendor +/.idea diff --git a/vendor/gitea.com/go-chi/cache/LICENSE b/vendor/gitea.com/go-chi/cache/LICENSE new file mode 100644 index 0000000000..8405e89a0b --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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For the purposes of this License, Derivative Works +shall not include works that remain separable from, or merely link (or bind by +name) to the interfaces of, the Work and Derivative Works thereof. + +"Contribution" shall mean any work of authorship, including the original version +of the Work and any modifications or additions to that Work or Derivative Works +thereof, that is intentionally submitted to Licensor for inclusion in the Work +by the copyright owner or by an individual or Legal Entity authorized to submit +on behalf of the copyright owner. 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We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License.
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/cache/README.md b/vendor/gitea.com/go-chi/cache/README.md new file mode 100644 index 0000000000..e9eac96115 --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/README.md @@ -0,0 +1,20 @@ +# cache + +Middleware cache provides cache management for [Macaron](https://github.com/go-macaron/macaron). It can use many cache adapters, including memory, file, Redis, Memcache, PostgreSQL, MySQL, Ledis and Nodb. + +### Installation + + go get gitea.com/macaron/cache + +## Getting Help + +- [API Reference](https://gowalker.org/gitea.com/macaron/cache) +- [Documentation](http://go-macaron.com/docs/middlewares/cache) + +## Credits + +This package is a modified version of [go-macaron/cache](github.com/go-macaron/cache). + +## License + +This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text.
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/cache/cache.go b/vendor/gitea.com/go-chi/cache/cache.go new file mode 100644 index 0000000000..79d92cc6d8 --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/cache.go @@ -0,0 +1,96 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +// Package cache is a middleware that provides the cache management of Macaron. +package cache + +import ( + "fmt" +) + +// Cache is the interface that operates the cache data. +type Cache interface { + // Put puts value into cache with key and expire time. + Put(key string, val interface{}, timeout int64) error + // Get gets cached value by given key. + Get(key string) interface{} + // Delete deletes cached value by given key. + Delete(key string) error + // Incr increases cached int-type value by given key as a counter. + Incr(key string) error + // Decr decreases cached int-type value by given key as a counter. + Decr(key string) error + // IsExist returns true if cached value exists. + IsExist(key string) bool + // Flush deletes all cached data. + Flush() error + // StartAndGC starts GC routine based on config string settings. + StartAndGC(opt Options) error +} + +// Options represents a struct for specifying configuration options for the cache middleware. +type Options struct { + // Name of adapter. Default is "memory". + Adapter string + // Adapter configuration, it's corresponding to adapter. + AdapterConfig string + // GC interval time in seconds. Default is 60. + Interval int + // Occupy entire database. Default is false. + OccupyMode bool + // Configuration section name. Default is "cache". + Section string +} + +func prepareOptions(opt Options) Options { + if len(opt.Section) == 0 { + opt.Section = "cache" + } + if len(opt.Adapter) == 0 { + opt.Adapter = "memory" + } + if opt.Interval == 0 { + opt.Interval = 60 + } + if len(opt.AdapterConfig) == 0 { + opt.AdapterConfig = "data/caches" + } + + return opt +} + +// NewCacher creates and returns a new cacher by given adapter name and configuration. +// It panics when given adapter isn't registered and starts GC automatically. +func NewCacher(opt Options) (Cache, error) { + opt = prepareOptions(opt) + adapter, ok := adapters[opt.Adapter] + if !ok { + return nil, fmt.Errorf("cache: unknown adapter '%s'(forgot to import?)", opt.Adapter) + } + return adapter, adapter.StartAndGC(opt) +} + +var adapters = make(map[string]Cache) + +// Register registers a adapter. +func Register(name string, adapter Cache) { + if adapter == nil { + panic("cache: cannot register adapter with nil value") + } + if _, dup := adapters[name]; dup { + panic(fmt.Errorf("cache: cannot register adapter '%s' twice", name)) + } + adapters[name] = adapter +} diff --git a/vendor/gitea.com/go-chi/cache/file.go b/vendor/gitea.com/go-chi/cache/file.go new file mode 100644 index 0000000000..d07ab0b11e --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/file.go @@ -0,0 +1,207 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package cache + +import ( + "crypto/md5" + "encoding/hex" + "fmt" + "io/ioutil" + "log" + "os" + "path/filepath" + "sync" + "time" + + "github.com/unknwon/com" +) + +// Item represents a cache item. +type Item struct { + Val interface{} + Created int64 + Expire int64 +} + +func (item *Item) hasExpired() bool { + return item.Expire > 0 && + (time.Now().Unix()-item.Created) >= item.Expire +} + +// FileCacher represents a file cache adapter implementation. +type FileCacher struct { + lock sync.Mutex + rootPath string + interval int // GC interval. +} + +// NewFileCacher creates and returns a new file cacher. +func NewFileCacher() *FileCacher { + return &FileCacher{} +} + +func (c *FileCacher) filepath(key string) string { + m := md5.Sum([]byte(key)) + hash := hex.EncodeToString(m[:]) + return filepath.Join(c.rootPath, string(hash[0]), string(hash[1]), hash) +} + +// Put puts value into cache with key and expire time. +// If expired is 0, it will be deleted by next GC operation. +func (c *FileCacher) Put(key string, val interface{}, expire int64) error { + filename := c.filepath(key) + item := &Item{val, time.Now().Unix(), expire} + data, err := EncodeGob(item) + if err != nil { + return err + } + + os.MkdirAll(filepath.Dir(filename), os.ModePerm) + return ioutil.WriteFile(filename, data, os.ModePerm) +} + +func (c *FileCacher) read(key string) (*Item, error) { + filename := c.filepath(key) + + data, err := ioutil.ReadFile(filename) + if err != nil { + return nil, err + } + + item := new(Item) + return item, DecodeGob(data, item) +} + +// Get gets cached value by given key. +func (c *FileCacher) Get(key string) interface{} { + item, err := c.read(key) + if err != nil { + return nil + } + + if item.hasExpired() { + os.Remove(c.filepath(key)) + return nil + } + return item.Val +} + +// Delete deletes cached value by given key. +func (c *FileCacher) Delete(key string) error { + return os.Remove(c.filepath(key)) +} + +// Incr increases cached int-type value by given key as a counter. +func (c *FileCacher) Incr(key string) error { + item, err := c.read(key) + if err != nil { + return err + } + + item.Val, err = Incr(item.Val) + if err != nil { + return err + } + + return c.Put(key, item.Val, item.Expire) +} + +// Decrease cached int value. +func (c *FileCacher) Decr(key string) error { + item, err := c.read(key) + if err != nil { + return err + } + + item.Val, err = Decr(item.Val) + if err != nil { + return err + } + + return c.Put(key, item.Val, item.Expire) +} + +// IsExist returns true if cached value exists. +func (c *FileCacher) IsExist(key string) bool { + return com.IsExist(c.filepath(key)) +} + +// Flush deletes all cached data. +func (c *FileCacher) Flush() error { + return os.RemoveAll(c.rootPath) +} + +func (c *FileCacher) startGC() { + c.lock.Lock() + defer c.lock.Unlock() + + if c.interval < 1 { + return + } + + if err := filepath.Walk(c.rootPath, func(path string, fi os.FileInfo, err error) error { + if err != nil { + return fmt.Errorf("Walk: %v", err) + } + + if fi.IsDir() { + return nil + } + + data, err := ioutil.ReadFile(path) + if err != nil && !os.IsNotExist(err) { + fmt.Errorf("ReadFile: %v", err) + } + + item := new(Item) + if err = DecodeGob(data, item); err != nil { + return err + } + if item.hasExpired() { + if err = os.Remove(path); err != nil && !os.IsNotExist(err) { + return fmt.Errorf("Remove: %v", err) + } + } + return nil + }); err != nil { + log.Printf("error garbage collecting cache files: %v", err) + } + + time.AfterFunc(time.Duration(c.interval)*time.Second, func() { c.startGC() }) +} + +// StartAndGC starts GC routine based on config string settings. +func (c *FileCacher) StartAndGC(opt Options) error { + c.lock.Lock() + c.rootPath = opt.AdapterConfig + c.interval = opt.Interval + + if !filepath.IsAbs(c.rootPath) { + panic("rootPath must be an absolute path") + } + c.lock.Unlock() + + if err := os.MkdirAll(c.rootPath, os.ModePerm); err != nil { + return err + } + + go c.startGC() + return nil +} + +func init() { + Register("file", NewFileCacher()) +} diff --git a/vendor/gitea.com/go-chi/cache/go.mod b/vendor/gitea.com/go-chi/cache/go.mod new file mode 100644 index 0000000000..3609e210bd --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/go.mod @@ -0,0 +1,32 @@ +module gitea.com/go-chi/cache + +go 1.11 + +require ( + github.com/BurntSushi/toml v0.3.1 // indirect + github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 + github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76 // indirect + github.com/edsrzf/mmap-go v1.0.0 // indirect + github.com/go-redis/redis v6.15.2+incompatible + github.com/go-sql-driver/mysql v1.4.1 + github.com/golang/snappy v0.0.2 // indirect + github.com/lib/pq v1.2.0 + github.com/lunny/log v0.0.0-20160921050905-7887c61bf0de // indirect + github.com/lunny/nodb v0.0.0-20160621015157-fc1ef06ad4af + github.com/mattn/go-sqlite3 v1.11.0 // indirect + github.com/onsi/ginkgo v1.8.0 // indirect + github.com/onsi/gomega v1.5.0 // indirect + github.com/pelletier/go-toml v1.8.1 // indirect + github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 // indirect + github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d // indirect + github.com/siddontang/ledisdb v0.0.0-20190202134119-8ceb77e66a92 + github.com/siddontang/rdb v0.0.0-20150307021120-fc89ed2e418d // indirect + github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 + github.com/syndtr/goleveldb v1.0.0 // indirect + github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e + golang.org/x/net v0.0.0-20190724013045-ca1201d0de80 // indirect + golang.org/x/sys v0.0.0-20190730183949-1393eb018365 // indirect + google.golang.org/appengine v1.6.1 // indirect + gopkg.in/ini.v1 v1.44.2 + gopkg.in/yaml.v2 v2.2.2 // indirect +) diff --git a/vendor/gitea.com/go-chi/cache/go.sum b/vendor/gitea.com/go-chi/cache/go.sum new file mode 100644 index 0000000000..8ed30d7a7a --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/go.sum @@ -0,0 +1,101 @@ +github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 h1:U/lr3Dgy4WK+hNk4tyD+nuGjpVLPEHuJSFXMw11/HPA= +github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA= +github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76 h1:Lgdd/Qp96Qj8jqLpq2cI1I1X7BJnu06efS+XkhRoLUQ= +github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/edsrzf/mmap-go v1.0.0 h1:CEBF7HpRnUCSJgGUb5h1Gm7e3VkmVDrR8lvWVLtrOFw= 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v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/vendor/gitea.com/go-chi/cache/memcache/memcache.go b/vendor/gitea.com/go-chi/cache/memcache/memcache.go new file mode 100644 index 0000000000..400a774569 --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/memcache/memcache.go @@ -0,0 +1,92 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package cache + +import ( + "strings" + + "github.com/bradfitz/gomemcache/memcache" + "github.com/unknwon/com" + + "gitea.com/go-chi/cache" +) + +// MemcacheCacher represents a memcache cache adapter implementation. +type MemcacheCacher struct { + c *memcache.Client +} + +func NewItem(key string, data []byte, expire int32) *memcache.Item { + return &memcache.Item{ + Key: key, + Value: data, + Expiration: expire, + } +} + +// Put puts value into cache with key and expire time. +// If expired is 0, it lives forever. +func (c *MemcacheCacher) Put(key string, val interface{}, expire int64) error { + return c.c.Set(NewItem(key, []byte(com.ToStr(val)), int32(expire))) +} + +// Get gets cached value by given key. +func (c *MemcacheCacher) Get(key string) interface{} { + item, err := c.c.Get(key) + if err != nil { + return nil + } + return string(item.Value) +} + +// Delete deletes cached value by given key. +func (c *MemcacheCacher) Delete(key string) error { + return c.c.Delete(key) +} + +// Incr increases cached int-type value by given key as a counter. +func (c *MemcacheCacher) Incr(key string) error { + _, err := c.c.Increment(key, 1) + return err +} + +// Decr decreases cached int-type value by given key as a counter. +func (c *MemcacheCacher) Decr(key string) error { + _, err := c.c.Decrement(key, 1) + return err +} + +// IsExist returns true if cached value exists. +func (c *MemcacheCacher) IsExist(key string) bool { + _, err := c.c.Get(key) + return err == nil +} + +// Flush deletes all cached data. +func (c *MemcacheCacher) Flush() error { + return c.c.FlushAll() +} + +// StartAndGC starts GC routine based on config string settings. +// AdapterConfig: 127.0.0.1:9090;127.0.0.1:9091 +func (c *MemcacheCacher) StartAndGC(opt cache.Options) error { + c.c = memcache.New(strings.Split(opt.AdapterConfig, ";")...) + return nil +} + +func init() { + cache.Register("memcache", &MemcacheCacher{}) +} diff --git a/vendor/gitea.com/go-chi/cache/memcache/memcache.goconvey b/vendor/gitea.com/go-chi/cache/memcache/memcache.goconvey new file mode 100644 index 0000000000..8485e986e4 --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/memcache/memcache.goconvey @@ -0,0 +1 @@ +ignore
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/cache/memory.go b/vendor/gitea.com/go-chi/cache/memory.go new file mode 100644 index 0000000000..2d5a8fac4d --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/memory.go @@ -0,0 +1,179 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package cache + +import ( + "errors" + "sync" + "time" +) + +// MemoryItem represents a memory cache item. +type MemoryItem struct { + val interface{} + created int64 + expire int64 +} + +func (item *MemoryItem) hasExpired() bool { + return item.expire > 0 && + (time.Now().Unix()-item.created) >= item.expire +} + +// MemoryCacher represents a memory cache adapter implementation. +type MemoryCacher struct { + lock sync.RWMutex + items map[string]*MemoryItem + interval int // GC interval. +} + +// NewMemoryCacher creates and returns a new memory cacher. +func NewMemoryCacher() *MemoryCacher { + return &MemoryCacher{items: make(map[string]*MemoryItem)} +} + +// Put puts value into cache with key and expire time. +// If expired is 0, it will be deleted by next GC operation. +func (c *MemoryCacher) Put(key string, val interface{}, expire int64) error { + c.lock.Lock() + defer c.lock.Unlock() + + c.items[key] = &MemoryItem{ + val: val, + created: time.Now().Unix(), + expire: expire, + } + return nil +} + +// Get gets cached value by given key. +func (c *MemoryCacher) Get(key string) interface{} { + c.lock.RLock() + defer c.lock.RUnlock() + + item, ok := c.items[key] + if !ok { + return nil + } + if item.hasExpired() { + go c.Delete(key) + return nil + } + return item.val +} + +// Delete deletes cached value by given key. +func (c *MemoryCacher) Delete(key string) error { + c.lock.Lock() + defer c.lock.Unlock() + + delete(c.items, key) + return nil +} + +// Incr increases cached int-type value by given key as a counter. +func (c *MemoryCacher) Incr(key string) (err error) { + c.lock.RLock() + defer c.lock.RUnlock() + + item, ok := c.items[key] + if !ok { + return errors.New("key not exist") + } + item.val, err = Incr(item.val) + return err +} + +// Decr decreases cached int-type value by given key as a counter. +func (c *MemoryCacher) Decr(key string) (err error) { + c.lock.RLock() + defer c.lock.RUnlock() + + item, ok := c.items[key] + if !ok { + return errors.New("key not exist") + } + + item.val, err = Decr(item.val) + return err +} + +// IsExist returns true if cached value exists. +func (c *MemoryCacher) IsExist(key string) bool { + c.lock.RLock() + defer c.lock.RUnlock() + + _, ok := c.items[key] + return ok +} + +// Flush deletes all cached data. +func (c *MemoryCacher) Flush() error { + c.lock.Lock() + defer c.lock.Unlock() + + c.items = make(map[string]*MemoryItem) + return nil +} + +func (c *MemoryCacher) checkRawExpiration(key string) { + item, ok := c.items[key] + if !ok { + return + } + + if item.hasExpired() { + delete(c.items, key) + } +} + +func (c *MemoryCacher) checkExpiration(key string) { + c.lock.Lock() + defer c.lock.Unlock() + + c.checkRawExpiration(key) +} + +func (c *MemoryCacher) startGC() { + c.lock.Lock() + defer c.lock.Unlock() + + if c.interval < 1 { + return + } + + if c.items != nil { + for key, _ := range c.items { + c.checkRawExpiration(key) + } + } + + time.AfterFunc(time.Duration(c.interval)*time.Second, func() { c.startGC() }) +} + +// StartAndGC starts GC routine based on config string settings. +func (c *MemoryCacher) StartAndGC(opt Options) error { + c.lock.Lock() + c.interval = opt.Interval + c.lock.Unlock() + + go c.startGC() + return nil +} + +func init() { + Register("memory", NewMemoryCacher()) +} diff --git a/vendor/gitea.com/go-chi/cache/utils.go b/vendor/gitea.com/go-chi/cache/utils.go new file mode 100644 index 0000000000..734fb6f40e --- /dev/null +++ b/vendor/gitea.com/go-chi/cache/utils.go @@ -0,0 +1,84 @@ +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package cache + +import ( + "bytes" + "encoding/gob" + "errors" +) + +func EncodeGob(item *Item) ([]byte, error) { + buf := bytes.NewBuffer(nil) + err := gob.NewEncoder(buf).Encode(item) + return buf.Bytes(), err +} + +func DecodeGob(data []byte, out *Item) error { + buf := bytes.NewBuffer(data) + return gob.NewDecoder(buf).Decode(&out) +} + +func Incr(val interface{}) (interface{}, error) { + switch val.(type) { + case int: + val = val.(int) + 1 + case int32: + val = val.(int32) + 1 + case int64: + val = val.(int64) + 1 + case uint: + val = val.(uint) + 1 + case uint32: + val = val.(uint32) + 1 + case uint64: + val = val.(uint64) + 1 + default: + return val, errors.New("item value is not int-type") + } + return val, nil +} + +func Decr(val interface{}) (interface{}, error) { + switch val.(type) { + case int: + val = val.(int) - 1 + case int32: + val = val.(int32) - 1 + case int64: + val = val.(int64) - 1 + case uint: + if val.(uint) > 0 { + val = val.(uint) - 1 + } else { + return val, errors.New("item value is less than 0") + } + case uint32: + if val.(uint32) > 0 { + val = val.(uint32) - 1 + } else { + return val, errors.New("item value is less than 0") + } + case uint64: + if val.(uint64) > 0 { + val = val.(uint64) - 1 + } else { + return val, errors.New("item value is less than 0") + } + default: + return val, errors.New("item value is not int-type") + } + return val, nil +} diff --git a/vendor/gitea.com/go-chi/captcha/.drone.yml b/vendor/gitea.com/go-chi/captcha/.drone.yml new file mode 100644 index 0000000000..1db7ea30e3 --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/.drone.yml @@ -0,0 +1,24 @@ +kind: pipeline +name: go1-1-1 + +steps: +- name: test + image: golang:1.11 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic + +--- +kind: pipeline +name: go1-1-2 + +steps: +- name: test + image: golang:1.12 + environment: + GOPROXY: https://goproxy.cn + commands: + - go build -v + - go test -v -race -coverprofile=coverage.txt -covermode=atomic
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/captcha/LICENSE b/vendor/gitea.com/go-chi/captcha/LICENSE new file mode 100644 index 0000000000..8405e89a0b --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. 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However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work + +To apply the Apache License to your work, attach the following boilerplate +notice, with the fields enclosed by brackets "[]" replaced with your own +identifying information. (Don't include the brackets!) The text should be +enclosed in the appropriate comment syntax for the file format. We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License.
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/captcha/README.md b/vendor/gitea.com/go-chi/captcha/README.md new file mode 100644 index 0000000000..f55b2e925e --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/README.md @@ -0,0 +1,16 @@ +# captcha [](https://drone.gitea.com/macaron/captcha) + +Middleware captcha provides captcha service for [Macaron](https://gitea.com/macaron/macaron). + +### Installation + + go get gitea.com/macaron/captcha + +## Getting Help + +- [API Reference](https://gowalker.org/gitea.com/macaron/captcha) +- [Documentation](http://go-macaron.com/docs/middlewares/captcha) + +## License + +This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text.
\ No newline at end of file diff --git a/vendor/gitea.com/go-chi/captcha/captcha.go b/vendor/gitea.com/go-chi/captcha/captcha.go new file mode 100644 index 0000000000..9d7e1f2ccb --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/captcha.go @@ -0,0 +1,248 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +// Package captcha a middleware that provides captcha service for Macaron. +package captcha + +import ( + "fmt" + "html/template" + "image/color" + "net/http" + "path" + "strings" + + "gitea.com/go-chi/cache" + "github.com/unknwon/com" +) + +const _VERSION = "0.1.0" + +func Version() string { + return _VERSION +} + +var ( + defaultChars = []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9} +) + +// Captcha represents a captcha service. +type Captcha struct { + Store cache.Cache + SubURL string + URLPrefix string + FieldIdName string + FieldCaptchaName string + StdWidth int + StdHeight int + ChallengeNums int + Expiration int64 + CachePrefix string + ColorPalette color.Palette +} + +// generate key string +func (c *Captcha) key(id string) string { + return c.CachePrefix + id +} + +// generate rand chars with default chars +func (c *Captcha) genRandChars() string { + return string(com.RandomCreateBytes(c.ChallengeNums, defaultChars...)) +} + +// CreateHTML outputs HTML for display and fetch new captcha images. +func (c *Captcha) CreateHTML() template.HTML { + value, err := c.CreateCaptcha() + if err != nil { + panic(fmt.Errorf("fail to create captcha: %v", err)) + } + return template.HTML(fmt.Sprintf(`<input type="hidden" name="%[1]s" value="%[2]s"> + <a class="captcha" href="javascript:" tabindex="-1"> + <img onclick="this.src=('%[3]s%[4]s%[2]s.png?reload='+(new Date()).getTime())" class="captcha-img" src="%[3]s%[4]s%[2]s.png"> + </a>`, c.FieldIdName, value, c.SubURL, c.URLPrefix)) +} + +// create a new captcha id +func (c *Captcha) CreateCaptcha() (string, error) { + id := string(com.RandomCreateBytes(15)) + if err := c.Store.Put(c.key(id), c.genRandChars(), c.Expiration); err != nil { + return "", err + } + return id, nil +} + +// verify from a request +func (c *Captcha) VerifyReq(req *http.Request) bool { + req.ParseForm() + return c.Verify(req.Form.Get(c.FieldIdName), req.Form.Get(c.FieldCaptchaName)) +} + +// direct verify id and challenge string +func (c *Captcha) Verify(id string, challenge string) bool { + if len(challenge) == 0 || len(id) == 0 { + return false + } + + var chars string + + key := c.key(id) + + if v, ok := c.Store.Get(key).(string); ok { + chars = v + } else { + return false + } + + defer c.Store.Delete(key) + + if len(chars) != len(challenge) { + return false + } + + // verify challenge + for i, c := range []byte(chars) { + if c != challenge[i]-48 { + return false + } + } + + return true +} + +type Options struct { + // Suburl path. Default is empty. + SubURL string + // URL prefix of getting captcha pictures. Default is "/captcha/". + URLPrefix string + // Hidden input element ID. Default is "captcha_id". + FieldIdName string + // User input value element name in request form. Default is "captcha". + FieldCaptchaName string + // Challenge number. Default is 6. + ChallengeNums int + // Captcha image width. Default is 240. + Width int + // Captcha image height. Default is 80. + Height int + // Captcha expiration time in seconds. Default is 600. + Expiration int64 + // Cache key prefix captcha characters. Default is "captcha_". + CachePrefix string + // ColorPalette holds a collection of primary colors used for + // the captcha's text. If not defined, a random color will be generated. + ColorPalette color.Palette +} + +func prepareOptions(options []Options) Options { + var opt Options + if len(options) > 0 { + opt = options[0] + } + + opt.SubURL = strings.TrimSuffix(opt.SubURL, "/") + + // Defaults. + if len(opt.URLPrefix) == 0 { + opt.URLPrefix = "/captcha/" + } else if opt.URLPrefix[len(opt.URLPrefix)-1] != '/' { + opt.URLPrefix += "/" + } + if len(opt.FieldIdName) == 0 { + opt.FieldIdName = "captcha_id" + } + if len(opt.FieldCaptchaName) == 0 { + opt.FieldCaptchaName = "captcha" + } + if opt.ChallengeNums == 0 { + opt.ChallengeNums = 6 + } + if opt.Width == 0 { + opt.Width = stdWidth + } + if opt.Height == 0 { + opt.Height = stdHeight + } + if opt.Expiration == 0 { + opt.Expiration = 600 + } + if len(opt.CachePrefix) == 0 { + opt.CachePrefix = "captcha_" + } + + return opt +} + +// NewCaptcha initializes and returns a captcha with given options. +func NewCaptcha(opts ...Options) *Captcha { + opt := prepareOptions(opts) + return &Captcha{ + SubURL: opt.SubURL, + URLPrefix: opt.URLPrefix, + FieldIdName: opt.FieldIdName, + FieldCaptchaName: opt.FieldCaptchaName, + StdWidth: opt.Width, + StdHeight: opt.Height, + ChallengeNums: opt.ChallengeNums, + Expiration: opt.Expiration, + CachePrefix: opt.CachePrefix, + ColorPalette: opt.ColorPalette, + } +} + +// Captchaer is a middleware that maps a captcha.Captcha service into the Macaron handler chain. +// An single variadic captcha.Options struct can be optionally provided to configure. +// This should be register after cache.Cacher. +func Captchaer(cpt *Captcha) func(http.Handler) http.Handler { + return func(next http.Handler) http.Handler { + return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { + if strings.HasPrefix(req.URL.Path, cpt.URLPrefix) { + var chars string + id := path.Base(req.URL.Path) + if i := strings.Index(id, "."); i > -1 { + id = id[:i] + } + key := cpt.key(id) + + reloads := req.URL.Query()["reload"] + // Reload captcha. + if len(reloads) > 0 && len(reloads[0]) > 0 { + chars = cpt.genRandChars() + if err := cpt.Store.Put(key, chars, cpt.Expiration); err != nil { + w.WriteHeader(500) + w.Write([]byte("captcha reload error")) + panic(fmt.Errorf("reload captcha: %v", err)) + } + } else { + if v, ok := cpt.Store.Get(key).(string); ok { + chars = v + } else { + w.WriteHeader(404) + w.Write([]byte("captcha not found")) + return + } + } + + w.WriteHeader(200) + if _, err := NewImage([]byte(chars), cpt.StdWidth, cpt.StdHeight, cpt.ColorPalette).WriteTo(w); err != nil { + panic(fmt.Errorf("write captcha: %v", err)) + } + return + } + + next.ServeHTTP(w, req) + }) + } +} diff --git a/vendor/gitea.com/go-chi/captcha/go.mod b/vendor/gitea.com/go-chi/captcha/go.mod new file mode 100644 index 0000000000..adbf9ffb40 --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/go.mod @@ -0,0 +1,10 @@ +module gitea.com/go-chi/captcha + +go 1.11 + +require ( + gitea.com/go-chi/cache v0.0.0-20210110083709-82c4c9ce2d5e + github.com/go-chi/chi v1.5.1 + github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 + github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e +) diff --git a/vendor/gitea.com/go-chi/captcha/go.sum b/vendor/gitea.com/go-chi/captcha/go.sum new file mode 100644 index 0000000000..ab69564a0c --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/go.sum @@ -0,0 +1,73 @@ +gitea.com/go-chi/cache v0.0.0-20210110083709-82c4c9ce2d5e h1:zgPGaf3kXP0cVm9J0l8ZA2+XDzILYATg0CXbihR6N+o= +gitea.com/go-chi/cache v0.0.0-20210110083709-82c4c9ce2d5e/go.mod h1:k2V/gPDEtXGjjMGuBJiapffAXTv76H4snSmlJRLUhH0= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA= +github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M= +github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/go-chi/chi v1.5.1 h1:kfTK3Cxd/dkMu/rKs5ZceWYp+t5CtiE7vmaTv3LjC6w= +github.com/go-chi/chi v1.5.1/go.mod h1:REp24E+25iKvxgeTfHmdUoL5x15kBiDBlnIl5bCwe2k= +github.com/go-redis/redis v6.15.2+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA= +github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= +github.com/golang/snappy v0.0.2/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q= 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h1:Cqz6pqow14VObJ7peltM+2n3PWOz7yTrfUuGbVFkzN0= +github.com/mattn/go-sqlite3 v1.11.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc= +github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/ginkgo v1.8.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= +github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= +github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= +github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc= +github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726/go.mod h1:3yhqj7WBBfRhbBlzyOC3gUxftwsU0u8gqevxwIHQpMw= +github.com/siddontang/go-snappy v0.0.0-20140704025258-d8f7bb82a96d/go.mod h1:vq0tzqLRu6TS7Id0wMo2N5QzJoKedVeovOpHjnykSzY= +github.com/siddontang/ledisdb v0.0.0-20190202134119-8ceb77e66a92/go.mod 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h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= +golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc= +google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= +gopkg.in/ini.v1 v1.44.2 h1:N6kNUPqiIyxP+s/aINPzRvNpcTVV30qLC0t6ZjZFlUU= +gopkg.in/ini.v1 v1.44.2/go.mod h1:M3Cogqpuv0QCi3ExAY5V4uOt4qb/R3xZubo9m8lK5wg= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= +gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/vendor/gitea.com/go-chi/captcha/image.go b/vendor/gitea.com/go-chi/captcha/image.go new file mode 100644 index 0000000000..abe087437a --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/image.go @@ -0,0 +1,505 @@ +// Copyright 2013 Beego Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package captcha + +import ( + "bytes" + "image" + "image/color" + "image/png" + "io" + "math" +) + +const ( + fontWidth = 11 + fontHeight = 18 + blackChar = 1 + + // Standard width and height of a captcha image. + stdWidth = 240 + stdHeight = 80 + + // Maximum absolute skew factor of a single digit. + maxSkew = 0.7 + // Number of background circles. + circleCount = 20 +) + +var font = [][]byte{ + { // 0 + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, + 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + }, + { // 1 + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + }, + { // 2 + 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + }, + { // 3 + 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, + }, + { // 4 + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, + 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, + 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, + 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + }, + { // 5 + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, + }, + { // 6 + 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, + 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, + 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, + 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, + 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, + 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, + 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + }, + { // 7 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, + 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, + 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, + }, + { // 8 + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, + 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, + 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, + 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + }, + { // 9 + 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, + 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, + 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, + 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, + 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, + 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, + 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, + }, +} + +type Image struct { + *image.Paletted + numWidth int + numHeight int + dotSize int +} + +var prng = &siprng{} + +// randIntn returns a pseudorandom non-negative int in range [0, n). +func randIntn(n int) int { + return prng.Intn(n) +} + +// randInt returns a pseudorandom int in range [from, to]. +func randInt(from, to int) int { + return prng.Intn(to+1-from) + from +} + +// randFloat returns a pseudorandom float64 in range [from, to]. +func randFloat(from, to float64) float64 { + return (to-from)*prng.Float64() + from +} + +func randomPalette(primary color.Palette) color.Palette { + p := make([]color.Color, circleCount+1) + // Transparent color. + p[0] = color.RGBA{0xFF, 0xFF, 0xFF, 0x00} + // Primary color. + var prim color.RGBA + if len(primary) == 0 { + prim = color.RGBA{ + uint8(randIntn(129)), + uint8(randIntn(129)), + uint8(randIntn(129)), + 0xFF, + } + } else { + r, g, b, a := primary[randIntn(len(primary)-1)].RGBA() + prim = color.RGBA{uint8(r), uint8(g), uint8(b), uint8(a)} + } + p[1] = prim + // Circle colors. + for i := 2; i <= circleCount; i++ { + p[i] = randomBrightness(prim, 255) + } + return p +} + +// NewImage returns a new captcha image of the given width and height with the +// given digits, where each digit must be in range 0-9. The digit's color is +// chosen by random from the colorPalette. +func NewImage(digits []byte, width, height int, colorPalette color.Palette) *Image { + m := new(Image) + m.Paletted = image.NewPaletted(image.Rect(0, 0, width, height), randomPalette(colorPalette)) + m.calculateSizes(width, height, len(digits)) + // Randomly position captcha inside the image. + maxx := width - (m.numWidth+m.dotSize)*len(digits) - m.dotSize + maxy := height - m.numHeight - m.dotSize*2 + var border int + if width > height { + border = height / 5 + } else { + border = width / 5 + } + x := randInt(border, maxx-border) + y := randInt(border, maxy-border) + // Draw digits. + for _, n := range digits { + m.drawDigit(font[n], x, y) + x += m.numWidth + m.dotSize + } + // Draw strike-through line. + m.strikeThrough() + // Apply wave distortion. + m.distort(randFloat(5, 10), randFloat(100, 200)) + // Fill image with random circles. + m.fillWithCircles(circleCount, m.dotSize) + return m +} + +// encodedPNG encodes an image to PNG and returns +// the result as a byte slice. +func (m *Image) encodedPNG() []byte { + var buf bytes.Buffer + if err := png.Encode(&buf, m.Paletted); err != nil { + panic(err.Error()) + } + return buf.Bytes() +} + +// WriteTo writes captcha image in PNG format into the given writer. +func (m *Image) WriteTo(w io.Writer) (int64, error) { + n, err := w.Write(m.encodedPNG()) + return int64(n), err +} + +func (m *Image) calculateSizes(width, height, ncount int) { + // Goal: fit all digits inside the image. + var border int + if width > height { + border = height / 4 + } else { + border = width / 4 + } + // Convert everything to floats for calculations. + w := float64(width - border*2) + h := float64(height - border*2) + // fw takes into account 1-dot spacing between digits. + fw := float64(fontWidth + 1) + fh := float64(fontHeight) + nc := float64(ncount) + // Calculate the width of a single digit taking into account only the + // width of the image. + nw := w / nc + // Calculate the height of a digit from this width. + nh := nw * fh / fw + // Digit too high? + if nh > h { + // Fit digits based on height. + nh = h + nw = fw / fh * nh + } + // Calculate dot size. + m.dotSize = int(nh / fh) + // Save everything, making the actual width smaller by 1 dot to account + // for spacing between digits. + m.numWidth = int(nw) - m.dotSize + m.numHeight = int(nh) +} + +func (m *Image) drawHorizLine(fromX, toX, y int, colorIdx uint8) { + for x := fromX; x <= toX; x++ { + m.SetColorIndex(x, y, colorIdx) + } +} + +func (m *Image) drawCircle(x, y, radius int, colorIdx uint8) { + f := 1 - radius + dfx := 1 + dfy := -2 * radius + xo := 0 + yo := radius + + m.SetColorIndex(x, y+radius, colorIdx) + m.SetColorIndex(x, y-radius, colorIdx) + m.drawHorizLine(x-radius, x+radius, y, colorIdx) + + for xo < yo { + if f >= 0 { + yo-- + dfy += 2 + f += dfy + } + xo++ + dfx += 2 + f += dfx + m.drawHorizLine(x-xo, x+xo, y+yo, colorIdx) + m.drawHorizLine(x-xo, x+xo, y-yo, colorIdx) + m.drawHorizLine(x-yo, x+yo, y+xo, colorIdx) + m.drawHorizLine(x-yo, x+yo, y-xo, colorIdx) + } +} + +func (m *Image) fillWithCircles(n, maxradius int) { + maxx := m.Bounds().Max.X + maxy := m.Bounds().Max.Y + for i := 0; i < n; i++ { + colorIdx := uint8(randInt(1, circleCount-1)) + r := randInt(1, maxradius) + m.drawCircle(randInt(r, maxx-r), randInt(r, maxy-r), r, colorIdx) + } +} + +func (m *Image) strikeThrough() { + maxx := m.Bounds().Max.X + maxy := m.Bounds().Max.Y + y := randInt(maxy/3, maxy-maxy/3) + amplitude := randFloat(5, 20) + period := randFloat(80, 180) + dx := 2.0 * math.Pi / period + for x := 0; x < maxx; x++ { + xo := amplitude * math.Cos(float64(y)*dx) + yo := amplitude * math.Sin(float64(x)*dx) + for yn := 0; yn < m.dotSize; yn++ { + r := randInt(0, m.dotSize) + m.drawCircle(x+int(xo), y+int(yo)+(yn*m.dotSize), r/2, 1) + } + } +} + +func (m *Image) drawDigit(digit []byte, x, y int) { + skf := randFloat(-maxSkew, maxSkew) + xs := float64(x) + r := m.dotSize / 2 + y += randInt(-r, r) + for yo := 0; yo < fontHeight; yo++ { + for xo := 0; xo < fontWidth; xo++ { + if digit[yo*fontWidth+xo] != blackChar { + continue + } + m.drawCircle(x+xo*m.dotSize, y+yo*m.dotSize, r, 1) + } + xs += skf + x = int(xs) + } +} + +func (m *Image) distort(amplude float64, period float64) { + w := m.Bounds().Max.X + h := m.Bounds().Max.Y + + oldm := m.Paletted + newm := image.NewPaletted(image.Rect(0, 0, w, h), oldm.Palette) + + dx := 2.0 * math.Pi / period + for x := 0; x < w; x++ { + for y := 0; y < h; y++ { + xo := amplude * math.Sin(float64(y)*dx) + yo := amplude * math.Cos(float64(x)*dx) + newm.SetColorIndex(x, y, oldm.ColorIndexAt(x+int(xo), y+int(yo))) + } + } + m.Paletted = newm +} + +func randomBrightness(c color.RGBA, max uint8) color.RGBA { + minc := min3(c.R, c.G, c.B) + maxc := max3(c.R, c.G, c.B) + if maxc > max { + return c + } + n := randIntn(int(max-maxc)) - int(minc) + return color.RGBA{ + uint8(int(c.R) + n), + uint8(int(c.G) + n), + uint8(int(c.B) + n), + uint8(c.A), + } +} + +func min3(x, y, z uint8) (m uint8) { + m = x + if y < m { + m = y + } + if z < m { + m = z + } + return +} + +func max3(x, y, z uint8) (m uint8) { + m = x + if y > m { + m = y + } + if z > m { + m = z + } + return +} diff --git a/vendor/gitea.com/go-chi/captcha/siprng.go b/vendor/gitea.com/go-chi/captcha/siprng.go new file mode 100644 index 0000000000..53a06d6841 --- /dev/null +++ b/vendor/gitea.com/go-chi/captcha/siprng.go @@ -0,0 +1,277 @@ +// Copyright 2013 Beego Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package captcha + +import ( + "crypto/rand" + "encoding/binary" + "io" + "sync" +) + +// siprng is PRNG based on SipHash-2-4. +type siprng struct { + mu sync.Mutex + k0, k1, ctr uint64 +} + +// siphash implements SipHash-2-4, accepting a uint64 as a message. +func siphash(k0, k1, m uint64) uint64 { + // Initialization. + v0 := k0 ^ 0x736f6d6570736575 + v1 := k1 ^ 0x646f72616e646f6d + v2 := k0 ^ 0x6c7967656e657261 + v3 := k1 ^ 0x7465646279746573 + t := uint64(8) << 56 + + // Compression. + v3 ^= m + + // Round 1. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + // Round 2. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + v0 ^= m + + // Compress last block. + v3 ^= t + + // Round 1. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + // Round 2. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + v0 ^= t + + // Finalization. + v2 ^= 0xff + + // Round 1. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + // Round 2. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + // Round 3. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + // Round 4. + v0 += v1 + v1 = v1<<13 | v1>>(64-13) + v1 ^= v0 + v0 = v0<<32 | v0>>(64-32) + + v2 += v3 + v3 = v3<<16 | v3>>(64-16) + v3 ^= v2 + + v0 += v3 + v3 = v3<<21 | v3>>(64-21) + v3 ^= v0 + + v2 += v1 + v1 = v1<<17 | v1>>(64-17) + v1 ^= v2 + v2 = v2<<32 | v2>>(64-32) + + return v0 ^ v1 ^ v2 ^ v3 +} + +// rekey sets a new PRNG key, which is read from crypto/rand. +func (p *siprng) rekey() { + var k [16]byte + if _, err := io.ReadFull(rand.Reader, k[:]); err != nil { + panic(err.Error()) + } + p.k0 = binary.LittleEndian.Uint64(k[0:8]) + p.k1 = binary.LittleEndian.Uint64(k[8:16]) + p.ctr = 1 +} + +// Uint64 returns a new pseudorandom uint64. +// It rekeys PRNG on the first call and every 64 MB of generated data. +func (p *siprng) Uint64() uint64 { + p.mu.Lock() + if p.ctr == 0 || p.ctr > 8*1024*1024 { + p.rekey() + } + v := siphash(p.k0, p.k1, p.ctr) + p.ctr++ + p.mu.Unlock() + return v +} + +func (p *siprng) Int63() int64 { + return int64(p.Uint64() & 0x7fffffffffffffff) +} + +func (p *siprng) Uint32() uint32 { + return uint32(p.Uint64()) +} + +func (p *siprng) Int31() int32 { + return int32(p.Uint32() & 0x7fffffff) +} + +func (p *siprng) Intn(n int) int { + if n <= 0 { + panic("invalid argument to Intn") + } + if n <= 1<<31-1 { + return int(p.Int31n(int32(n))) + } + return int(p.Int63n(int64(n))) +} + +func (p *siprng) Int63n(n int64) int64 { + if n <= 0 { + panic("invalid argument to Int63n") + } + max := int64((1 << 63) - 1 - (1<<63)%uint64(n)) + v := p.Int63() + for v > max { + v = p.Int63() + } + return v % n +} + +func (p *siprng) Int31n(n int32) int32 { + if n <= 0 { + panic("invalid argument to Int31n") + } + max := int32((1 << 31) - 1 - (1<<31)%uint32(n)) + v := p.Int31() + for v > max { + v = p.Int31() + } + return v % n +} + +func (p *siprng) Float64() float64 { return float64(p.Int63()) / (1 << 63) } |