update gitea.com/macaron/macaron to 1.4.0 (#9608)

6 files changed, 129 insertions, 40 deletions

diff --git a/vendor/gopkg.in/ini.v1/.travis.yml b/vendor/gopkg.in/ini.v1/.travis.yml
index 08682ef840..149b7249f6 100644
--- a/vendor/gopkg.in/ini.v1/.travis.yml
+++ b/vendor/gopkg.in/ini.v1/.travis.yml
@@ -8,6 +8,7 @@ go:
   - 1.10.x
   - 1.11.x
   - 1.12.x
+  - 1.13.x
 
 install: skip
 script:
diff --git a/vendor/gopkg.in/ini.v1/README.md b/vendor/gopkg.in/ini.v1/README.md
index 44e1fcddd8..3d6d3cfc07 100644
--- a/vendor/gopkg.in/ini.v1/README.md
+++ b/vendor/gopkg.in/ini.v1/README.md
@@ -1,5 +1,6 @@
-INI [![Build Status](https://travis-ci.org/go-ini/ini.svg?branch=master)](https://travis-ci.org/go-ini/ini) [![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg)](https://sourcegraph.com/github.com/go-ini/ini)
-===
+# INI
+
+[![Build Status](https://img.shields.io/travis/go-ini/ini/master.svg?style=for-the-badge&logo=travis)](https://travis-ci.org/go-ini/ini) [![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-ini/ini)
 
 ![](https://avatars0.githubusercontent.com/u/10216035?v=3&s=200)
 
diff --git a/vendor/gopkg.in/ini.v1/ini.go b/vendor/gopkg.in/ini.v1/ini.go
index 9de6171c9b..428b71e34a 100644
--- a/vendor/gopkg.in/ini.v1/ini.go
+++ b/vendor/gopkg.in/ini.v1/ini.go
@@ -29,7 +29,7 @@ const (
 
 	// Maximum allowed depth when recursively substituing variable names.
 	depthValues = 99
-	version     = "1.48.0"
+	version     = "1.51.1"
 )
 
 // Version returns current package version literal.
@@ -111,8 +111,15 @@ type LoadOptions struct {
 	KeyValueDelimiters string
 	// PreserveSurroundedQuote indicates whether to preserve surrounded quote (single and double quotes).
 	PreserveSurroundedQuote bool
+	// DebugFunc is called to collect debug information (currently only useful to debug parsing Python-style multiline values).
+	DebugFunc DebugFunc
+	// ReaderBufferSize is the buffer size of the reader in bytes.
+	ReaderBufferSize int
 }
 
+// DebugFunc is the type of function called to log parse events.
+type DebugFunc func(message string)
+
 // LoadSources allows caller to apply customized options for loading from data source(s).
 func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {
 	sources := make([]dataSource, len(others)+1)
diff --git a/vendor/gopkg.in/ini.v1/key.go b/vendor/gopkg.in/ini.v1/key.go
index 62f9146990..3c197410fa 100644
--- a/vendor/gopkg.in/ini.v1/key.go
+++ b/vendor/gopkg.in/ini.v1/key.go
@@ -147,10 +147,15 @@ func (k *Key) transformValue(val string) string {
 		noption := vr[2 : len(vr)-2]
 
 		// Search in the same section.
+		// If not found or found the key itself, then search again in default section.
 		nk, err := k.s.GetKey(noption)
 		if err != nil || k == nk {
-			// Search again in default section.
 			nk, _ = k.s.f.Section("").GetKey(noption)
+			if nk == nil {
+				// Stop when no results found in the default section,
+				// and returns the value as-is.
+				break
+			}
 		}
 
 		// Substitute by new value and take off leading '%(' and trailing ')s'.
diff --git a/vendor/gopkg.in/ini.v1/parser.go b/vendor/gopkg.in/ini.v1/parser.go
index 7c22a25c1a..53ab45c46f 100644
--- a/vendor/gopkg.in/ini.v1/parser.go
+++ b/vendor/gopkg.in/ini.v1/parser.go
@@ -25,7 +25,9 @@ import (
 	"unicode"
 )
 
-var pythonMultiline = regexp.MustCompile("^(\\s+)([^\n]+)")
+const minReaderBufferSize = 4096
+
+var pythonMultiline = regexp.MustCompile(`^([\t\f ]+)(.*)`)
 
 type parserOptions struct {
 	IgnoreContinuation          bool
@@ -35,6 +37,8 @@ type parserOptions struct {
 	UnescapeValueDoubleQuotes   bool
 	UnescapeValueCommentSymbols bool
 	PreserveSurroundedQuote     bool
+	DebugFunc                   DebugFunc
+	ReaderBufferSize            int
 }
 
 type parser struct {
@@ -46,9 +50,20 @@ type parser struct {
 	comment *bytes.Buffer
 }
 
+func (p *parser) debug(format string, args ...interface{}) {
+	if p.options.DebugFunc != nil {
+		p.options.DebugFunc(fmt.Sprintf(format, args...))
+	}
+}
+
 func newParser(r io.Reader, opts parserOptions) *parser {
+	size := opts.ReaderBufferSize
+	if size < minReaderBufferSize {
+		size = minReaderBufferSize
+	}
+
 	return &parser{
-		buf:     bufio.NewReader(r),
+		buf:     bufio.NewReaderSize(r, size),
 		options: opts,
 		count:   1,
 		comment: &bytes.Buffer{},
@@ -285,33 +300,55 @@ func (p *parser) readPythonMultilines(line string, bufferSize int) (string, erro
 	parserBufferPeekResult, _ := p.buf.Peek(bufferSize)
 	peekBuffer := bytes.NewBuffer(parserBufferPeekResult)
 
+	indentSize := 0
 	for {
 		peekData, peekErr := peekBuffer.ReadBytes('\n')
 		if peekErr != nil {
 			if peekErr == io.EOF {
+				p.debug("readPythonMultilines: io.EOF, peekData: %q, line: %q", string(peekData), line)
 				return line, nil
 			}
+
+			p.debug("readPythonMultilines: failed to peek with error: %v", peekErr)
 			return "", peekErr
 		}
 
+		p.debug("readPythonMultilines: parsing %q", string(peekData))
+
 		peekMatches := pythonMultiline.FindStringSubmatch(string(peekData))
+		p.debug("readPythonMultilines: matched %d parts", len(peekMatches))
+		for n, v := range peekMatches {
+			p.debug("   %d: %q", n, v)
+		}
+
+		// Return if not a Python multiline value.
 		if len(peekMatches) != 3 {
+			p.debug("readPythonMultilines: end of value, got: %q", line)
 			return line, nil
 		}
 
-		// NOTE: Return if not a python-ini multi-line value.
-		currentIdentSize := len(peekMatches[1])
-		if currentIdentSize <= 0 {
+		// Determine indent size and line prefix.
+		currentIndentSize := len(peekMatches[1])
+		if indentSize < 1 {
+			indentSize = currentIndentSize
+			p.debug("readPythonMultilines: indent size is %d", indentSize)
+		}
+
+		// Make sure each line is indented at least as far as first line.
+		if currentIndentSize < indentSize {
+			p.debug("readPythonMultilines: end of value, current indent: %d, expected indent: %d, line: %q", currentIndentSize, indentSize, line)
 			return line, nil
 		}
 
-		// NOTE: Just advance the parser reader (buffer) in-sync with the peek buffer.
-		_, err := p.readUntil('\n')
+		// Advance the parser reader (buffer) in-sync with the peek buffer.
+		_, err := p.buf.Discard(len(peekData))
 		if err != nil {
+			p.debug("readPythonMultilines: failed to skip to the end, returning error")
 			return "", err
 		}
 
-		line += fmt.Sprintf("\n%s", peekMatches[2])
+		// Handle indented empty line.
+		line += "\n" + peekMatches[1][indentSize:] + peekMatches[2]
 	}
 }
 
@@ -325,6 +362,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 		UnescapeValueDoubleQuotes:   f.options.UnescapeValueDoubleQuotes,
 		UnescapeValueCommentSymbols: f.options.UnescapeValueCommentSymbols,
 		PreserveSurroundedQuote:     f.options.PreserveSurroundedQuote,
+		DebugFunc:                   f.options.DebugFunc,
+		ReaderBufferSize:            f.options.ReaderBufferSize,
 	})
 	if err = p.BOM(); err != nil {
 		return fmt.Errorf("BOM: %v", err)
@@ -348,8 +387,8 @@ func (f *File) parse(reader io.Reader) (err error) {
 	// the size of the parser buffer is found.
 	// TODO(unknwon): When Golang 1.10 is the lowest version supported, replace with `parserBufferSize := p.buf.Size()`.
 	parserBufferSize := 0
-	// NOTE: Peek 1kb at a time.
-	currentPeekSize := 1024
+	// NOTE: Peek 4kb at a time.
+	currentPeekSize := minReaderBufferSize
 
 	if f.options.AllowPythonMultilineValues {
 		for {
diff --git a/vendor/gopkg.in/ini.v1/struct.go b/vendor/gopkg.in/ini.v1/struct.go
index 2764534f31..d1cd2722fe 100644
--- a/vendor/gopkg.in/ini.v1/struct.go
+++ b/vendor/gopkg.in/ini.v1/struct.go
@@ -155,23 +155,45 @@ func wrapStrictError(err error, isStrict bool) error {
 // but it does not return error for failing parsing,
 // because we want to use default value that is already assigned to struct.
 func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string, allowShadow, isStrict bool) error {
-	switch t.Kind() {
+	vt := t
+	isPtr := t.Kind() == reflect.Ptr
+	if isPtr {
+		vt = t.Elem()
+	}
+	switch vt.Kind() {
 	case reflect.String:
-		if len(key.String()) == 0 {
-			return nil
+		stringVal := key.String()
+		if isPtr {
+			field.Set(reflect.ValueOf(&stringVal))
+		} else if len(stringVal) > 0 {
+			field.SetString(key.String())
 		}
-		field.SetString(key.String())
 	case reflect.Bool:
 		boolVal, err := key.Bool()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetBool(boolVal)
+		if isPtr {
+			field.Set(reflect.ValueOf(&boolVal))
+		} else {
+			field.SetBool(boolVal)
+		}
 	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		durationVal, err := key.Duration()
-		// Skip zero value
-		if err == nil && int64(durationVal) > 0 {
-			field.Set(reflect.ValueOf(durationVal))
+		// ParseDuration will not return err for `0`, so check the type name
+		if vt.Name() == "Duration" {
+			durationVal, err := key.Duration()
+			if err != nil {
+				if intVal, err := key.Int64(); err == nil {
+					field.SetInt(intVal)
+					return nil
+				}
+				return wrapStrictError(err, isStrict)
+			}
+			if isPtr {
+				field.Set(reflect.ValueOf(&durationVal))
+			} else if int64(durationVal) > 0 {
+				field.Set(reflect.ValueOf(durationVal))
+			}
 			return nil
 		}
 
@@ -179,13 +201,23 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetInt(intVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetInt(intVal)
+			field.Set(pv)
+		} else {
+			field.SetInt(intVal)
+		}
 	//	byte is an alias for uint8, so supporting uint8 breaks support for byte
 	case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
 		durationVal, err := key.Duration()
 		// Skip zero value
 		if err == nil && uint64(durationVal) > 0 {
-			field.Set(reflect.ValueOf(durationVal))
+			if isPtr {
+				field.Set(reflect.ValueOf(&durationVal))
+			} else {
+				field.Set(reflect.ValueOf(durationVal))
+			}
 			return nil
 		}
 
@@ -193,33 +225,38 @@ func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim stri
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetUint(uintVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetUint(uintVal)
+			field.Set(pv)
+		} else {
+			field.SetUint(uintVal)
+		}
 
 	case reflect.Float32, reflect.Float64:
 		floatVal, err := key.Float64()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.SetFloat(floatVal)
+		if isPtr {
+			pv := reflect.New(t.Elem())
+			pv.Elem().SetFloat(floatVal)
+			field.Set(pv)
+		} else {
+			field.SetFloat(floatVal)
+		}
 	case reflectTime:
 		timeVal, err := key.Time()
 		if err != nil {
 			return wrapStrictError(err, isStrict)
 		}
-		field.Set(reflect.ValueOf(timeVal))
+		if isPtr {
+			field.Set(reflect.ValueOf(&timeVal))
+		} else {
+			field.Set(reflect.ValueOf(timeVal))
+		}
 	case reflect.Slice:
 		return setSliceWithProperType(key, field, delim, allowShadow, isStrict)
-	case reflect.Ptr:
-		switch t.Elem().Kind() {
-		case reflect.Bool:
-			boolVal, err := key.Bool()
-			if err != nil {
-				return wrapStrictError(err, isStrict)
-			}
-			field.Set(reflect.ValueOf(&boolVal))
-		default:
-			return fmt.Errorf("unsupported type '%s'", t)
-		}
 	default:
 		return fmt.Errorf("unsupported type '%s'", t)
 	}
@@ -280,7 +317,6 @@ func (s *Section) mapTo(val reflect.Value, isStrict bool) error {
 				continue
 			}
 		}
-
 		if key, err := s.GetKey(fieldName); err == nil {
 			delim := parseDelim(tpField.Tag.Get("delim"))
 			if err = setWithProperType(tpField.Type, key, field, delim, allowShadow, isStrict); err != nil {