[Vendor] update go-swagger v0.21.0 -> v0.25.0 (#12670)

* Update go-swagger

* vendor

12 files changed, 583 insertions, 172 deletions

diff --git a/vendor/github.com/asaskevich/govalidator/.gitignore b/vendor/github.com/asaskevich/govalidator/.gitignore
new file mode 100644
index 0000000000..8d69a9418a
--- /dev/null
+++ b/vendor/github.com/asaskevich/govalidator/.gitignore
@@ -0,0 +1,15 @@
+bin/
+.idea/
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
diff --git a/vendor/github.com/asaskevich/govalidator/.travis.yml b/vendor/github.com/asaskevich/govalidator/.travis.yml
index e29f8eef5e..17c4d0a710 100644
--- a/vendor/github.com/asaskevich/govalidator/.travis.yml
+++ b/vendor/github.com/asaskevich/govalidator/.travis.yml
@@ -1,14 +1,18 @@
+dist: bionic
 language: go
+env: GO111MODULE=on GOFLAGS='-mod vendor'
+install: true
+email: false
 
 go:
-  - 1.1
-  - 1.2
-  - 1.3
-  - 1.4
-  - 1.5
-  - 1.6
+  - 1.10
+  - 1.11
+  - 1.12
+  - 1.13
   - tip
 
-notifications:
-  email:
-    - bwatas@gmail.com
+before_script:
+  - go install github.com/golangci/golangci-lint/cmd/golangci-lint
+script:
+  - golangci-lint run       # run a bunch of code checkers/linters in parallel
+  - go test -v -race ./...  # Run all the tests with the race detector enabled
diff --git a/vendor/github.com/asaskevich/govalidator/CONTRIBUTING.md b/vendor/github.com/asaskevich/govalidator/CONTRIBUTING.md
index f0f7e3a8ad..7ed268a1ed 100644
--- a/vendor/github.com/asaskevich/govalidator/CONTRIBUTING.md
+++ b/vendor/github.com/asaskevich/govalidator/CONTRIBUTING.md
@@ -11,7 +11,7 @@ If you don't know what to do, there are some features and functions that need to
 - [ ] Update actual [list of functions](https://github.com/asaskevich/govalidator#list-of-functions)
 - [ ] Update [list of validators](https://github.com/asaskevich/govalidator#validatestruct-2) that available for `ValidateStruct` and add new
 - [ ] Implement new validators: `IsFQDN`, `IsIMEI`, `IsPostalCode`, `IsISIN`, `IsISRC` etc
-- [ ] Implement [validation by maps](https://github.com/asaskevich/govalidator/issues/224)
+- [x] Implement [validation by maps](https://github.com/asaskevich/govalidator/issues/224)
 - [ ] Implement fuzzing testing
 - [ ] Implement some struct/map/array utilities
 - [ ] Implement map/array validation
@@ -37,7 +37,7 @@ Anyone can file an expense. If the expense makes sense for the development of th
 ### Contributors
 
 Thank you to all the people who have already contributed to govalidator!
-<a href="graphs/contributors"><img src="https://opencollective.com/govalidator/contributors.svg?width=890" /></a>
+<a href="https://github.com/asaskevich/govalidator/graphs/contributors"><img src="https://opencollective.com/govalidator/contributors.svg?width=890" /></a>
 
 
 ### Backers
diff --git a/vendor/github.com/asaskevich/govalidator/README.md b/vendor/github.com/asaskevich/govalidator/README.md
index 40f9a87811..78f999e834 100644
--- a/vendor/github.com/asaskevich/govalidator/README.md
+++ b/vendor/github.com/asaskevich/govalidator/README.md
@@ -13,7 +13,7 @@ Type the following command in your terminal:
 
 or you can get specified release of the package with `gopkg.in`:
 
-	go get gopkg.in/asaskevich/govalidator.v4
+	go get gopkg.in/asaskevich/govalidator.v10
 
 After it the package is ready to use.
 
@@ -83,14 +83,14 @@ This was changed to prevent data races when accessing custom validators.
 import "github.com/asaskevich/govalidator"
 
 // before
-govalidator.CustomTypeTagMap["customByteArrayValidator"] = CustomTypeValidator(func(i interface{}, o interface{}) bool {
+govalidator.CustomTypeTagMap["customByteArrayValidator"] = func(i interface{}, o interface{}) bool {
   // ...
-})
+}
 
 // after
-govalidator.CustomTypeTagMap.Set("customByteArrayValidator", CustomTypeValidator(func(i interface{}, o interface{}) bool {
+govalidator.CustomTypeTagMap.Set("customByteArrayValidator", func(i interface{}, o interface{}) bool {
   // ...
-}))
+})
 ```
 
 #### List of functions:
@@ -108,23 +108,34 @@ func Filter(array []interface{}, iterator ConditionIterator) []interface{}
 func Find(array []interface{}, iterator ConditionIterator) interface{}
 func GetLine(s string, index int) (string, error)
 func GetLines(s string) []string
-func InRange(value, left, right float64) bool
+func HasLowerCase(str string) bool
+func HasUpperCase(str string) bool
+func HasWhitespace(str string) bool
+func HasWhitespaceOnly(str string) bool
+func InRange(value interface{}, left interface{}, right interface{}) bool
+func InRangeFloat32(value, left, right float32) bool
+func InRangeFloat64(value, left, right float64) bool
+func InRangeInt(value, left, right interface{}) bool
 func IsASCII(str string) bool
 func IsAlpha(str string) bool
 func IsAlphanumeric(str string) bool
 func IsBase64(str string) bool
 func IsByteLength(str string, min, max int) bool
 func IsCIDR(str string) bool
+func IsCRC32(str string) bool
+func IsCRC32b(str string) bool
 func IsCreditCard(str string) bool
 func IsDNSName(str string) bool
 func IsDataURI(str string) bool
 func IsDialString(str string) bool
 func IsDivisibleBy(str, num string) bool
 func IsEmail(str string) bool
+func IsExistingEmail(email string) bool
 func IsFilePath(str string) (bool, int)
 func IsFloat(str string) bool
 func IsFullWidth(str string) bool
 func IsHalfWidth(str string) bool
+func IsHash(str string, algorithm string) bool
 func IsHexadecimal(str string) bool
 func IsHexcolor(str string) bool
 func IsHost(str string) bool
@@ -136,22 +147,27 @@ func IsISBN10(str string) bool
 func IsISBN13(str string) bool
 func IsISO3166Alpha2(str string) bool
 func IsISO3166Alpha3(str string) bool
+func IsISO4217(str string) bool
 func IsISO693Alpha2(str string) bool
 func IsISO693Alpha3b(str string) bool
-func IsISO4217(str string) bool
 func IsIn(str string, params ...string) bool
+func IsInRaw(str string, params ...string) bool
 func IsInt(str string) bool
 func IsJSON(str string) bool
 func IsLatitude(str string) bool
 func IsLongitude(str string) bool
 func IsLowerCase(str string) bool
 func IsMAC(str string) bool
+func IsMD4(str string) bool
+func IsMD5(str string) bool
+func IsMagnetURI(str string) bool
 func IsMongoID(str string) bool
 func IsMultibyte(str string) bool
 func IsNatural(value float64) bool
 func IsNegative(value float64) bool
 func IsNonNegative(value float64) bool
 func IsNonPositive(value float64) bool
+func IsNotNull(str string) bool
 func IsNull(str string) bool
 func IsNumeric(str string) bool
 func IsPort(str string) bool
@@ -162,9 +178,21 @@ func IsRFC3339WithoutZone(str string) bool
 func IsRGBcolor(str string) bool
 func IsRequestURI(rawurl string) bool
 func IsRequestURL(rawurl string) bool
+func IsRipeMD128(str string) bool
+func IsRipeMD160(str string) bool
+func IsRsaPub(str string, params ...string) bool
+func IsRsaPublicKey(str string, keylen int) bool
+func IsSHA1(str string) bool
+func IsSHA256(str string) bool
+func IsSHA384(str string) bool
+func IsSHA512(str string) bool
 func IsSSN(str string) bool
 func IsSemver(str string) bool
+func IsTiger128(str string) bool
+func IsTiger160(str string) bool
+func IsTiger192(str string) bool
 func IsTime(str string, format string) bool
+func IsType(v interface{}, params ...string) bool
 func IsURL(str string) bool
 func IsUTFDigit(str string) bool
 func IsUTFLetter(str string) bool
@@ -174,16 +202,20 @@ func IsUUID(str string) bool
 func IsUUIDv3(str string) bool
 func IsUUIDv4(str string) bool
 func IsUUIDv5(str string) bool
+func IsUnixTime(str string) bool
 func IsUpperCase(str string) bool
 func IsVariableWidth(str string) bool
 func IsWhole(value float64) bool
 func LeftTrim(str, chars string) string
 func Map(array []interface{}, iterator ResultIterator) []interface{}
 func Matches(str, pattern string) bool
+func MaxStringLength(str string, params ...string) bool
+func MinStringLength(str string, params ...string) bool
 func NormalizeEmail(str string) (string, error)
 func PadBoth(str string, padStr string, padLen int) string
 func PadLeft(str string, padStr string, padLen int) string
 func PadRight(str string, padStr string, padLen int) string
+func PrependPathToErrors(err error, path string) error
 func Range(str string, params ...string) bool
 func RemoveTags(s string) string
 func ReplacePattern(str, pattern, replace string) string
@@ -192,18 +224,21 @@ func RightTrim(str, chars string) string
 func RuneLength(str string, params ...string) bool
 func SafeFileName(str string) string
 func SetFieldsRequiredByDefault(value bool)
+func SetNilPtrAllowedByRequired(value bool)
 func Sign(value float64) float64
 func StringLength(str string, params ...string) bool
 func StringMatches(s string, params ...string) bool
 func StripLow(str string, keepNewLines bool) string
 func ToBoolean(str string) (bool, error)
 func ToFloat(str string) (float64, error)
-func ToInt(str string) (int64, error)
+func ToInt(value interface{}) (res int64, err error)
 func ToJSON(obj interface{}) (string, error)
 func ToString(obj interface{}) string
 func Trim(str, chars string) string
 func Truncate(str string, length int, ending string) string
+func TruncatingErrorf(str string, args ...interface{}) error
 func UnderscoreToCamelCase(s string) string
+func ValidateMap(inputMap map[string]interface{}, validationMap map[string]interface{}) (bool, error)
 func ValidateStruct(s interface{}) (bool, error)
 func WhiteList(str, chars string) string
 type ConditionIterator
@@ -214,6 +249,8 @@ type Errors
 func (es Errors) Error() string
 func (es Errors) Errors() []error
 type ISO3166Entry
+type ISO693Entry
+type InterfaceParamValidator
 type Iterator
 type ParamValidator
 type ResultIterator
@@ -227,6 +264,27 @@ type Validator
 ```go
 println(govalidator.IsURL(`http://user@pass:domain.com/path/page`))
 ```
+###### IsType
+```go
+println(govalidator.IsType("Bob", "string"))
+println(govalidator.IsType(1, "int"))
+i := 1
+println(govalidator.IsType(&i, "*int"))
+```
+
+IsType can be used through the tag `type` which is essential for map validation:
+```go
+type User	struct {
+  Name string      `valid:"type(string)"`
+  Age  int         `valid:"type(int)"`
+  Meta interface{} `valid:"type(string)"`
+}
+result, err := govalidator.ValidateStruct(user{"Bob", 20, "meta"})
+if err != nil {
+	println("error: " + err.Error())
+}
+println(result)
+```
 ###### ToString
 ```go
 type User struct {
@@ -335,6 +393,11 @@ Validators with parameters
 "in(string1|string2|...|stringN)": IsIn,
 "rsapub(keylength)" : IsRsaPub,
 ```
+Validators with parameters for any type
+
+```go
+"type(type)": IsType,
+```
 
 And here is small example of usage:
 ```go
@@ -370,6 +433,41 @@ if err != nil {
 }
 println(result)
 ```
+###### ValidateMap [#2](https://github.com/asaskevich/govalidator/pull/338)
+If you want to validate maps, you can use the map to be validated and a validation map that contain the same tags used in ValidateStruct, both maps have to be in the form `map[string]interface{}`
+
+So here is small example of usage:
+```go
+var mapTemplate = map[string]interface{}{
+	"name":"required,alpha",
+	"family":"required,alpha",
+	"email":"required,email",
+	"cell-phone":"numeric",
+	"address":map[string]interface{}{
+		"line1":"required,alphanum",
+		"line2":"alphanum",
+		"postal-code":"numeric",
+	},
+}
+
+var inputMap = map[string]interface{}{
+	"name":"Bob",
+	"family":"Smith",
+	"email":"foo@bar.baz",
+	"address":map[string]interface{}{
+		"line1":"",
+		"line2":"",
+		"postal-code":"",
+	},
+}
+
+result, err := govalidator.ValidateMap(inputMap, mapTemplate)
+if err != nil {
+	println("error: " + err.Error())
+}
+println(result)
+```
+
 ###### WhiteList
 ```go
 // Remove all characters from string ignoring characters between "a" and "z"
@@ -389,7 +487,7 @@ type StructWithCustomByteArray struct {
   CustomMinLength int             `valid:"-"`
 }
 
-govalidator.CustomTypeTagMap.Set("customByteArrayValidator", CustomTypeValidator(func(i interface{}, context interface{}) bool {
+govalidator.CustomTypeTagMap.Set("customByteArrayValidator", func(i interface{}, context interface{}) bool {
   switch v := context.(type) { // you can type switch on the context interface being validated
   case StructWithCustomByteArray:
     // you can check and validate against some other field in the context,
@@ -409,14 +507,25 @@ govalidator.CustomTypeTagMap.Set("customByteArrayValidator", CustomTypeValidator
     }
   }
   return false
-}))
-govalidator.CustomTypeTagMap.Set("customMinLengthValidator", CustomTypeValidator(func(i interface{}, context interface{}) bool {
+})
+govalidator.CustomTypeTagMap.Set("customMinLengthValidator", func(i interface{}, context interface{}) bool {
   switch v := context.(type) { // this validates a field against the value in another field, i.e. dependent validation
   case StructWithCustomByteArray:
     return len(v.ID) >= v.CustomMinLength
   }
   return false
-}))
+})
+```
+
+###### Loop over Error()
+By default .Error() returns all errors in a single String. To access each error you can do this:
+```go
+  if err != nil {
+    errs := err.(govalidator.Errors).Errors()
+    for _, e := range errs {
+      fmt.Println(e.Error())
+    }
+  }
 ```
 
 ###### Custom error messages
@@ -445,7 +554,7 @@ If you don't know what to do, there are some features and functions that need to
 - [ ] Update actual [list of functions](https://github.com/asaskevich/govalidator#list-of-functions)
 - [ ] Update [list of validators](https://github.com/asaskevich/govalidator#validatestruct-2) that available for `ValidateStruct` and add new
 - [ ] Implement new validators: `IsFQDN`, `IsIMEI`, `IsPostalCode`, `IsISIN`, `IsISRC` etc
-- [ ] Implement [validation by maps](https://github.com/asaskevich/govalidator/issues/224)
+- [x] Implement [validation by maps](https://github.com/asaskevich/govalidator/issues/224)
 - [ ] Implement fuzzing testing
 - [ ] Implement some struct/map/array utilities
 - [ ] Implement map/array validation
@@ -475,7 +584,7 @@ This project exists thanks to all the people who contribute. [[Contribute](CONTR
 * [Matt Sanford](https://github.com/mzsanford)
 * [Simon ccl1115](https://github.com/ccl1115)
 
-<a href="graphs/contributors"><img src="https://opencollective.com/govalidator/contributors.svg?width=890" /></a>
+<a href="https://github.com/asaskevich/govalidator/graphs/contributors"><img src="https://opencollective.com/govalidator/contributors.svg?width=890" /></a>
 
 
 ### Backers
@@ -504,4 +613,4 @@ Support this project by becoming a sponsor. Your logo will show up here with a l
 
 
 ## License
-[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fasaskevich%2Fgovalidator.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fasaskevich%2Fgovalidator?ref=badge_large)
\ No newline at end of file
+[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fasaskevich%2Fgovalidator.svg?type=large)](https://app.fossa.io/projects/git%2Bgithub.com%2Fasaskevich%2Fgovalidator?ref=badge_large)
diff --git a/vendor/github.com/asaskevich/govalidator/doc.go b/vendor/github.com/asaskevich/govalidator/doc.go
new file mode 100644
index 0000000000..55dce62dc8
--- /dev/null
+++ b/vendor/github.com/asaskevich/govalidator/doc.go
@@ -0,0 +1,3 @@
+package govalidator
+
+// A package of validators and sanitizers for strings, structures and collections.
diff --git a/vendor/github.com/asaskevich/govalidator/error.go b/vendor/github.com/asaskevich/govalidator/error.go
index 655b750cb8..1da2336f47 100644
--- a/vendor/github.com/asaskevich/govalidator/error.go
+++ b/vendor/github.com/asaskevich/govalidator/error.go
@@ -1,6 +1,9 @@
 package govalidator
 
-import "strings"
+import (
+	"sort"
+	"strings"
+)
 
 // Errors is an array of multiple errors and conforms to the error interface.
 type Errors []error
@@ -15,6 +18,7 @@ func (es Errors) Error() string {
 	for _, e := range es {
 		errs = append(errs, e.Error())
 	}
+	sort.Strings(errs)
 	return strings.Join(errs, ";")
 }
 
diff --git a/vendor/github.com/asaskevich/govalidator/go.mod b/vendor/github.com/asaskevich/govalidator/go.mod
new file mode 100644
index 0000000000..c1ce891dfa
--- /dev/null
+++ b/vendor/github.com/asaskevich/govalidator/go.mod
@@ -0,0 +1,3 @@
+module github.com/asaskevich/govalidator
+
+go 1.12
diff --git a/vendor/github.com/asaskevich/govalidator/patterns.go b/vendor/github.com/asaskevich/govalidator/patterns.go
index 61a05d438e..e55451cff5 100644
--- a/vendor/github.com/asaskevich/govalidator/patterns.go
+++ b/vendor/github.com/asaskevich/govalidator/patterns.go
@@ -4,49 +4,51 @@ import "regexp"
 
 // Basic regular expressions for validating strings
 const (
-    Email             string = "^(((([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$"
-    CreditCard        string = "^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})$"
-    ISBN10            string = "^(?:[0-9]{9}X|[0-9]{10})$"
-    ISBN13            string = "^(?:[0-9]{13})$"
-    UUID3             string = "^[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}$"
-    UUID4             string = "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
-    UUID5             string = "^[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
-    UUID              string = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
-    Alpha             string = "^[a-zA-Z]+$"
-    Alphanumeric      string = "^[a-zA-Z0-9]+$"
-    Numeric           string = "^[0-9]+$"
-    Int               string = "^(?:[-+]?(?:0|[1-9][0-9]*))$"
-    Float             string = "^(?:[-+]?(?:[0-9]+))?(?:\\.[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$"
-    Hexadecimal       string = "^[0-9a-fA-F]+$"
-    Hexcolor          string = "^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$"
-    RGBcolor          string = "^rgb\\(\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*\\)$"
-    ASCII             string = "^[\x00-\x7F]+$"
-    Multibyte         string = "[^\x00-\x7F]"
-    FullWidth         string = "[^\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]"
-    HalfWidth         string = "[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]"
-    Base64            string = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
-    PrintableASCII    string = "^[\x20-\x7E]+$"
-    DataURI           string = "^data:.+\\/(.+);base64$"
-    Latitude          string = "^[-+]?([1-8]?\\d(\\.\\d+)?|90(\\.0+)?)$"
-    Longitude         string = "^[-+]?(180(\\.0+)?|((1[0-7]\\d)|([1-9]?\\d))(\\.\\d+)?)$"
-    DNSName           string = `^([a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62}){1}(\.[a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62})*[\._]?$`
-    IP                string = `(([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]))`
-    URLSchema         string = `((ftp|tcp|udp|wss?|https?):\/\/)`
-    URLUsername       string = `(\S+(:\S*)?@)`
-    URLPath           string = `((\/|\?|#)[^\s]*)`
-    URLPort           string = `(:(\d{1,5}))`
-    URLIP             string = `([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]))`
-	  URLSubdomain      string = `((www\.)|([a-zA-Z0-9]+([-_\.]?[a-zA-Z0-9])*[a-zA-Z0-9]\.[a-zA-Z0-9]+))`  
-    URL               string = `^` + URLSchema + `?` + URLUsername + `?` + `((` + URLIP + `|(\[` + IP + `\])|(([a-zA-Z0-9]([a-zA-Z0-9-_]+)?[a-zA-Z0-9]([-\.][a-zA-Z0-9]+)*)|(` + URLSubdomain + `?))?(([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,}))?))\.?` + URLPort + `?` + URLPath + `?$`
-    SSN               string = `^\d{3}[- ]?\d{2}[- ]?\d{4}$`
-    WinPath           string = `^[a-zA-Z]:\\(?:[^\\/:*?"<>|\r\n]+\\)*[^\\/:*?"<>|\r\n]*$`
-    UnixPath          string = `^(/[^/\x00]*)+/?$`
-    Semver            string = "^v?(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)(-(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(\\.(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*)?(\\+[0-9a-zA-Z-]+(\\.[0-9a-zA-Z-]+)*)?$"
-    tagName           string = "valid"
-    hasLowerCase      string = ".*[[:lower:]]"
-    hasUpperCase      string = ".*[[:upper:]]"
-    hasWhitespace     string = ".*[[:space:]]"
-    hasWhitespaceOnly string = "^[[:space:]]+$"
+	Email             string = "^(((([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|\\.|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])([a-zA-Z]|\\d|-|_|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*([a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$"
+	CreditCard        string = "^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11}|6[27][0-9]{14})$"
+	ISBN10            string = "^(?:[0-9]{9}X|[0-9]{10})$"
+	ISBN13            string = "^(?:[0-9]{13})$"
+	UUID3             string = "^[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}$"
+	UUID4             string = "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
+	UUID5             string = "^[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$"
+	UUID              string = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$"
+	Alpha             string = "^[a-zA-Z]+$"
+	Alphanumeric      string = "^[a-zA-Z0-9]+$"
+	Numeric           string = "^[0-9]+$"
+	Int               string = "^(?:[-+]?(?:0|[1-9][0-9]*))$"
+	Float             string = "^(?:[-+]?(?:[0-9]+))?(?:\\.[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$"
+	Hexadecimal       string = "^[0-9a-fA-F]+$"
+	Hexcolor          string = "^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$"
+	RGBcolor          string = "^rgb\\(\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*\\)$"
+	ASCII             string = "^[\x00-\x7F]+$"
+	Multibyte         string = "[^\x00-\x7F]"
+	FullWidth         string = "[^\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]"
+	HalfWidth         string = "[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]"
+	Base64            string = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
+	PrintableASCII    string = "^[\x20-\x7E]+$"
+	DataURI           string = "^data:.+\\/(.+);base64$"
+	MagnetURI         string = "^magnet:\\?xt=urn:[a-zA-Z0-9]+:[a-zA-Z0-9]{32,40}&dn=.+&tr=.+$"
+	Latitude          string = "^[-+]?([1-8]?\\d(\\.\\d+)?|90(\\.0+)?)$"
+	Longitude         string = "^[-+]?(180(\\.0+)?|((1[0-7]\\d)|([1-9]?\\d))(\\.\\d+)?)$"
+	DNSName           string = `^([a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62}){1}(\.[a-zA-Z0-9_]{1}[a-zA-Z0-9_-]{0,62})*[\._]?$`
+	IP                string = `(([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]))`
+	URLSchema         string = `((ftp|tcp|udp|wss?|https?):\/\/)`
+	URLUsername       string = `(\S+(:\S*)?@)`
+	URLPath           string = `((\/|\?|#)[^\s]*)`
+	URLPort           string = `(:(\d{1,5}))`
+	URLIP             string = `([1-9]\d?|1\d\d|2[01]\d|22[0-3]|24\d|25[0-5])(\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])){2}(?:\.([0-9]\d?|1\d\d|2[0-4]\d|25[0-5]))`
+	URLSubdomain      string = `((www\.)|([a-zA-Z0-9]+([-_\.]?[a-zA-Z0-9])*[a-zA-Z0-9]\.[a-zA-Z0-9]+))`
+	URL               string = `^` + URLSchema + `?` + URLUsername + `?` + `((` + URLIP + `|(\[` + IP + `\])|(([a-zA-Z0-9]([a-zA-Z0-9-_]+)?[a-zA-Z0-9]([-\.][a-zA-Z0-9]+)*)|(` + URLSubdomain + `?))?(([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,}))?))\.?` + URLPort + `?` + URLPath + `?$`
+	SSN               string = `^\d{3}[- ]?\d{2}[- ]?\d{4}$`
+	WinPath           string = `^[a-zA-Z]:\\(?:[^\\/:*?"<>|\r\n]+\\)*[^\\/:*?"<>|\r\n]*$`
+	UnixPath          string = `^(/[^/\x00]*)+/?$`
+	Semver            string = "^v?(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)\\.(?:0|[1-9]\\d*)(-(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(\\.(0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*)?(\\+[0-9a-zA-Z-]+(\\.[0-9a-zA-Z-]+)*)?$"
+	tagName           string = "valid"
+	hasLowerCase      string = ".*[[:lower:]]"
+	hasUpperCase      string = ".*[[:upper:]]"
+	hasWhitespace     string = ".*[[:space:]]"
+	hasWhitespaceOnly string = "^[[:space:]]+$"
+	IMEI              string = "^[0-9a-f]{14}$|^\\d{15}$|^\\d{18}$"
 )
 
 // Used by IsFilePath func
@@ -60,42 +62,44 @@ const (
 )
 
 var (
-    userRegexp            = regexp.MustCompile("^[a-zA-Z0-9!#$%&'*+/=?^_`{|}~.-]+$")
-    hostRegexp            = regexp.MustCompile("^[^\\s]+\\.[^\\s]+$")
-    userDotRegexp         = regexp.MustCompile("(^[.]{1})|([.]{1}$)|([.]{2,})")
-    rxEmail               = regexp.MustCompile(Email)
-    rxCreditCard          = regexp.MustCompile(CreditCard)
-    rxISBN10              = regexp.MustCompile(ISBN10)
-    rxISBN13              = regexp.MustCompile(ISBN13)
-    rxUUID3               = regexp.MustCompile(UUID3)
-    rxUUID4               = regexp.MustCompile(UUID4)
-    rxUUID5               = regexp.MustCompile(UUID5)
-    rxUUID                = regexp.MustCompile(UUID)
-    rxAlpha               = regexp.MustCompile(Alpha)
-    rxAlphanumeric        = regexp.MustCompile(Alphanumeric)
-    rxNumeric             = regexp.MustCompile(Numeric)
-    rxInt                 = regexp.MustCompile(Int)
-    rxFloat               = regexp.MustCompile(Float)
-    rxHexadecimal         = regexp.MustCompile(Hexadecimal)
-    rxHexcolor            = regexp.MustCompile(Hexcolor)
-    rxRGBcolor            = regexp.MustCompile(RGBcolor)
-    rxASCII               = regexp.MustCompile(ASCII)
-    rxPrintableASCII      = regexp.MustCompile(PrintableASCII)
-    rxMultibyte           = regexp.MustCompile(Multibyte)
-    rxFullWidth           = regexp.MustCompile(FullWidth)
-    rxHalfWidth           = regexp.MustCompile(HalfWidth)
-    rxBase64              = regexp.MustCompile(Base64)
-    rxDataURI             = regexp.MustCompile(DataURI)
-    rxLatitude            = regexp.MustCompile(Latitude)
-    rxLongitude           = regexp.MustCompile(Longitude)
-    rxDNSName             = regexp.MustCompile(DNSName)
-    rxURL                 = regexp.MustCompile(URL)
-    rxSSN                 = regexp.MustCompile(SSN)
-    rxWinPath             = regexp.MustCompile(WinPath)
-    rxUnixPath            = regexp.MustCompile(UnixPath)
-    rxSemver              = regexp.MustCompile(Semver)
-    rxHasLowerCase        = regexp.MustCompile(hasLowerCase)
-    rxHasUpperCase        = regexp.MustCompile(hasUpperCase)
-    rxHasWhitespace       = regexp.MustCompile(hasWhitespace)
-    rxHasWhitespaceOnly   = regexp.MustCompile(hasWhitespaceOnly)
+	userRegexp          = regexp.MustCompile("^[a-zA-Z0-9!#$%&'*+/=?^_`{|}~.-]+$")
+	hostRegexp          = regexp.MustCompile("^[^\\s]+\\.[^\\s]+$")
+	userDotRegexp       = regexp.MustCompile("(^[.]{1})|([.]{1}$)|([.]{2,})")
+	rxEmail             = regexp.MustCompile(Email)
+	rxCreditCard        = regexp.MustCompile(CreditCard)
+	rxISBN10            = regexp.MustCompile(ISBN10)
+	rxISBN13            = regexp.MustCompile(ISBN13)
+	rxUUID3             = regexp.MustCompile(UUID3)
+	rxUUID4             = regexp.MustCompile(UUID4)
+	rxUUID5             = regexp.MustCompile(UUID5)
+	rxUUID              = regexp.MustCompile(UUID)
+	rxAlpha             = regexp.MustCompile(Alpha)
+	rxAlphanumeric      = regexp.MustCompile(Alphanumeric)
+	rxNumeric           = regexp.MustCompile(Numeric)
+	rxInt               = regexp.MustCompile(Int)
+	rxFloat             = regexp.MustCompile(Float)
+	rxHexadecimal       = regexp.MustCompile(Hexadecimal)
+	rxHexcolor          = regexp.MustCompile(Hexcolor)
+	rxRGBcolor          = regexp.MustCompile(RGBcolor)
+	rxASCII             = regexp.MustCompile(ASCII)
+	rxPrintableASCII    = regexp.MustCompile(PrintableASCII)
+	rxMultibyte         = regexp.MustCompile(Multibyte)
+	rxFullWidth         = regexp.MustCompile(FullWidth)
+	rxHalfWidth         = regexp.MustCompile(HalfWidth)
+	rxBase64            = regexp.MustCompile(Base64)
+	rxDataURI           = regexp.MustCompile(DataURI)
+	rxMagnetURI         = regexp.MustCompile(MagnetURI)
+	rxLatitude          = regexp.MustCompile(Latitude)
+	rxLongitude         = regexp.MustCompile(Longitude)
+	rxDNSName           = regexp.MustCompile(DNSName)
+	rxURL               = regexp.MustCompile(URL)
+	rxSSN               = regexp.MustCompile(SSN)
+	rxWinPath           = regexp.MustCompile(WinPath)
+	rxUnixPath          = regexp.MustCompile(UnixPath)
+	rxSemver            = regexp.MustCompile(Semver)
+	rxHasLowerCase      = regexp.MustCompile(hasLowerCase)
+	rxHasUpperCase      = regexp.MustCompile(hasUpperCase)
+	rxHasWhitespace     = regexp.MustCompile(hasWhitespace)
+	rxHasWhitespaceOnly = regexp.MustCompile(hasWhitespaceOnly)
+	rxIMEI              = regexp.MustCompile(IMEI)
 )
diff --git a/vendor/github.com/asaskevich/govalidator/types.go b/vendor/github.com/asaskevich/govalidator/types.go
index 4f7e9274ad..b57b666f57 100644
--- a/vendor/github.com/asaskevich/govalidator/types.go
+++ b/vendor/github.com/asaskevich/govalidator/types.go
@@ -16,6 +16,7 @@ type CustomTypeValidator func(i interface{}, o interface{}) bool
 
 // ParamValidator is a wrapper for validator functions that accepts additional parameters.
 type ParamValidator func(str string, params ...string) bool
+type InterfaceParamValidator func(in interface{}, params ...string) bool
 type tagOptionsMap map[string]tagOption
 
 func (t tagOptionsMap) orderedKeys() []string {
@@ -46,15 +47,27 @@ type UnsupportedTypeError struct {
 // It implements the methods to sort by string.
 type stringValues []reflect.Value
 
+// InterfaceParamTagMap is a map of functions accept variants parameters for an interface value
+var InterfaceParamTagMap = map[string]InterfaceParamValidator{
+	"type": IsType,
+}
+
+// InterfaceParamTagRegexMap maps interface param tags to their respective regexes.
+var InterfaceParamTagRegexMap = map[string]*regexp.Regexp{
+	"type": regexp.MustCompile(`^type\((.*)\)$`),
+}
+
 // ParamTagMap is a map of functions accept variants parameters
 var ParamTagMap = map[string]ParamValidator{
-	"length":       ByteLength,
-	"range":        Range,
-	"runelength":   RuneLength,
-	"stringlength": StringLength,
-	"matches":      StringMatches,
-	"in":           isInRaw,
-	"rsapub":       IsRsaPub,
+	"length":          ByteLength,
+	"range":           Range,
+	"runelength":      RuneLength,
+	"stringlength":    StringLength,
+	"matches":         StringMatches,
+	"in":              IsInRaw,
+	"rsapub":          IsRsaPub,
+	"minstringlength": MinStringLength,
+	"maxstringlength": MaxStringLength,
 }
 
 // ParamTagRegexMap maps param tags to their respective regexes.
@@ -66,6 +79,8 @@ var ParamTagRegexMap = map[string]*regexp.Regexp{
 	"in":           regexp.MustCompile(`^in\((.*)\)`),
 	"matches":      regexp.MustCompile(`^matches\((.+)\)$`),
 	"rsapub":       regexp.MustCompile("^rsapub\\((\\d+)\\)$"),
+	"minstringlength": regexp.MustCompile("^minstringlength\\((\\d+)\\)$"),
+	"maxstringlength": regexp.MustCompile("^maxstringlength\\((\\d+)\\)$"),
 }
 
 type customTypeTagMap struct {
@@ -114,6 +129,7 @@ var TagMap = map[string]Validator{
 	"int":                IsInt,
 	"float":              IsFloat,
 	"null":               IsNull,
+	"notnull":            IsNotNull,
 	"uuid":               IsUUID,
 	"uuidv3":             IsUUIDv3,
 	"uuidv4":             IsUUIDv4,
@@ -146,6 +162,7 @@ var TagMap = map[string]Validator{
 	"ISO3166Alpha2":      IsISO3166Alpha2,
 	"ISO3166Alpha3":      IsISO3166Alpha3,
 	"ISO4217":            IsISO4217,
+	"IMEI":               IsIMEI,
 }
 
 // ISO3166Entry stores country codes
diff --git a/vendor/github.com/asaskevich/govalidator/utils.go b/vendor/github.com/asaskevich/govalidator/utils.go
index a0b706a743..f4c30f824a 100644
--- a/vendor/github.com/asaskevich/govalidator/utils.go
+++ b/vendor/github.com/asaskevich/govalidator/utils.go
@@ -12,20 +12,20 @@ import (
 	"unicode/utf8"
 )
 
-// Contains check if the string contains the substring.
+// Contains checks if the string contains the substring.
 func Contains(str, substring string) bool {
 	return strings.Contains(str, substring)
 }
 
-// Matches check if string matches the pattern (pattern is regular expression)
+// Matches checks if string matches the pattern (pattern is regular expression)
 // In case of error return false
 func Matches(str, pattern string) bool {
 	match, _ := regexp.MatchString(pattern, str)
 	return match
 }
 
-// LeftTrim trim characters from the left-side of the input.
-// If second argument is empty, it's will be remove leading spaces.
+// LeftTrim trims characters from the left side of the input.
+// If second argument is empty, it will remove leading spaces.
 func LeftTrim(str, chars string) string {
 	if chars == "" {
 		return strings.TrimLeftFunc(str, unicode.IsSpace)
@@ -34,8 +34,8 @@ func LeftTrim(str, chars string) string {
 	return r.ReplaceAllString(str, "")
 }
 
-// RightTrim trim characters from the right-side of the input.
-// If second argument is empty, it's will be remove spaces.
+// RightTrim trims characters from the right side of the input.
+// If second argument is empty, it will remove trailing spaces.
 func RightTrim(str, chars string) string {
 	if chars == "" {
 		return strings.TrimRightFunc(str, unicode.IsSpace)
@@ -44,27 +44,27 @@ func RightTrim(str, chars string) string {
 	return r.ReplaceAllString(str, "")
 }
 
-// Trim trim characters from both sides of the input.
-// If second argument is empty, it's will be remove spaces.
+// Trim trims characters from both sides of the input.
+// If second argument is empty, it will remove spaces.
 func Trim(str, chars string) string {
 	return LeftTrim(RightTrim(str, chars), chars)
 }
 
-// WhiteList remove characters that do not appear in the whitelist.
+// WhiteList removes characters that do not appear in the whitelist.
 func WhiteList(str, chars string) string {
 	pattern := "[^" + chars + "]+"
 	r, _ := regexp.Compile(pattern)
 	return r.ReplaceAllString(str, "")
 }
 
-// BlackList remove characters that appear in the blacklist.
+// BlackList removes characters that appear in the blacklist.
 func BlackList(str, chars string) string {
 	pattern := "[" + chars + "]+"
 	r, _ := regexp.Compile(pattern)
 	return r.ReplaceAllString(str, "")
 }
 
-// StripLow remove characters with a numerical value < 32 and 127, mostly control characters.
+// StripLow removes characters with a numerical value < 32 and 127, mostly control characters.
 // If keep_new_lines is true, newline characters are preserved (\n and \r, hex 0xA and 0xD).
 func StripLow(str string, keepNewLines bool) string {
 	chars := ""
@@ -76,13 +76,13 @@ func StripLow(str string, keepNewLines bool) string {
 	return BlackList(str, chars)
 }
 
-// ReplacePattern replace regular expression pattern in string
+// ReplacePattern replaces regular expression pattern in string
 func ReplacePattern(str, pattern, replace string) string {
 	r, _ := regexp.Compile(pattern)
 	return r.ReplaceAllString(str, replace)
 }
 
-// Escape replace <, >, & and " with HTML entities.
+// Escape replaces <, >, & and " with HTML entities.
 var Escape = html.EscapeString
 
 func addSegment(inrune, segment []rune) []rune {
@@ -120,7 +120,7 @@ func CamelCaseToUnderscore(str string) string {
 	return string(output)
 }
 
-// Reverse return reversed string
+// Reverse returns reversed string
 func Reverse(s string) string {
 	r := []rune(s)
 	for i, j := 0, len(r)-1; i < j; i, j = i+1, j-1 {
@@ -129,12 +129,12 @@ func Reverse(s string) string {
 	return string(r)
 }
 
-// GetLines split string by "\n" and return array of lines
+// GetLines splits string by "\n" and return array of lines
 func GetLines(s string) []string {
 	return strings.Split(s, "\n")
 }
 
-// GetLine return specified line of multiline string
+// GetLine returns specified line of multiline string
 func GetLine(s string, index int) (string, error) {
 	lines := GetLines(s)
 	if index < 0 || index >= len(lines) {
@@ -143,12 +143,12 @@ func GetLine(s string, index int) (string, error) {
 	return lines[index], nil
 }
 
-// RemoveTags remove all tags from HTML string
+// RemoveTags removes all tags from HTML string
 func RemoveTags(s string) string {
 	return ReplacePattern(s, "<[^>]*>", "")
 }
 
-// SafeFileName return safe string that can be used in file names
+// SafeFileName returns safe string that can be used in file names
 func SafeFileName(str string) string {
 	name := strings.ToLower(str)
 	name = path.Clean(path.Base(name))
@@ -210,23 +210,23 @@ func Truncate(str string, length int, ending string) string {
 	return str
 }
 
-// PadLeft pad left side of string if size of string is less then indicated pad length
+// PadLeft pads left side of a string if size of string is less then indicated pad length
 func PadLeft(str string, padStr string, padLen int) string {
 	return buildPadStr(str, padStr, padLen, true, false)
 }
 
-// PadRight pad right side of string if size of string is less then indicated pad length
+// PadRight pads right side of a string if size of string is less then indicated pad length
 func PadRight(str string, padStr string, padLen int) string {
 	return buildPadStr(str, padStr, padLen, false, true)
 }
 
-// PadBoth pad sides of string if size of string is less then indicated pad length
+// PadBoth pads both sides of a string if size of string is less then indicated pad length
 func PadBoth(str string, padStr string, padLen int) string {
 	return buildPadStr(str, padStr, padLen, true, true)
 }
 
-// PadString either left, right or both sides, not the padding string can be unicode and more then one
-// character
+// PadString either left, right or both sides.
+// Note that padding string can be unicode and more then one character
 func buildPadStr(str string, padStr string, padLen int, padLeft bool, padRight bool) string {
 
 	// When padded length is less then the current string size
diff --git a/vendor/github.com/asaskevich/govalidator/validator.go b/vendor/github.com/asaskevich/govalidator/validator.go
index b18bbcb4c9..298f9920d3 100644
--- a/vendor/github.com/asaskevich/govalidator/validator.go
+++ b/vendor/github.com/asaskevich/govalidator/validator.go
@@ -282,7 +282,7 @@ func HasLowerCase(str string) bool {
 	return rxHasLowerCase.MatchString(str)
 }
 
-// HasUpperCase check if the string contians as least 1 uppercase. Empty string is valid.
+// HasUpperCase check if the string contains as least 1 uppercase. Empty string is valid.
 func HasUpperCase(str string) bool {
 	if IsNull(str) {
 		return true
@@ -321,14 +321,19 @@ func IsNull(str string) bool {
 	return len(str) == 0
 }
 
+// IsNotNull check if the string is not null.
+func IsNotNull(str string) bool {
+	return !IsNull(str)
+}
+
 // HasWhitespaceOnly checks the string only contains whitespace
 func HasWhitespaceOnly(str string) bool {
-    return len(str) > 0 && rxHasWhitespaceOnly.MatchString(str)
+	return len(str) > 0 && rxHasWhitespaceOnly.MatchString(str)
 }
 
 // HasWhitespace checks if the string contains any whitespace
 func HasWhitespace(str string) bool {
-    return len(str) > 0 && rxHasWhitespace.MatchString(str)
+	return len(str) > 0 && rxHasWhitespace.MatchString(str)
 }
 
 // IsByteLength check if the string's length (in bytes) falls in a range.
@@ -513,6 +518,11 @@ func IsDataURI(str string) bool {
 	return IsBase64(dataURI[1])
 }
 
+// IsMagnetURI checks if a string is valid magnet URI
+func IsMagnetURI(str string) bool {
+	return rxMagnetURI.MatchString(str)
+}
+
 // IsISO3166Alpha2 checks if a string is valid two-letter country code
 func IsISO3166Alpha2(str string) bool {
 	for _, entry := range ISO3166List {
@@ -565,7 +575,7 @@ func IsDNSName(str string) bool {
 // IsHash checks if a string is a hash of type algorithm.
 // Algorithm is one of ['md4', 'md5', 'sha1', 'sha256', 'sha384', 'sha512', 'ripemd128', 'ripemd160', 'tiger128', 'tiger160', 'tiger192', 'crc32', 'crc32b']
 func IsHash(str string, algorithm string) bool {
-	len := "0"
+	var len string
 	algo := strings.ToLower(algorithm)
 
 	if algo == "crc32" || algo == "crc32b" {
@@ -589,9 +599,73 @@ func IsHash(str string, algorithm string) bool {
 	return Matches(str, "^[a-f0-9]{"+len+"}$")
 }
 
+// IsSHA512 checks is a string is a SHA512 hash. Alias for `IsHash(str, "sha512")`
+func IsSHA512(str string) bool {
+	return IsHash(str, "sha512")
+}
+
+// IsSHA384 checks is a string is a SHA384 hash. Alias for `IsHash(str, "sha384")`
+func IsSHA384(str string) bool {
+	return IsHash(str, "sha384")
+}
+
+// IsSHA256 checks is a string is a SHA256 hash. Alias for `IsHash(str, "sha256")`
+func IsSHA256(str string) bool {
+	return IsHash(str, "sha256")
+}
+
+// IsTiger192 checks is a string is a Tiger192 hash. Alias for `IsHash(str, "tiger192")`
+func IsTiger192(str string) bool {
+	return IsHash(str, "tiger192")
+}
+
+// IsTiger160 checks is a string is a Tiger160 hash. Alias for `IsHash(str, "tiger160")`
+func IsTiger160(str string) bool {
+	return IsHash(str, "tiger160")
+}
+
+// IsRipeMD160 checks is a string is a RipeMD160 hash. Alias for `IsHash(str, "ripemd160")`
+func IsRipeMD160(str string) bool {
+	return IsHash(str, "ripemd160")
+}
+
+// IsSHA1 checks is a string is a SHA-1 hash. Alias for `IsHash(str, "sha1")`
+func IsSHA1(str string) bool {
+	return IsHash(str, "sha1")
+}
+
+// IsTiger128 checks is a string is a Tiger128 hash. Alias for `IsHash(str, "tiger128")`
+func IsTiger128(str string) bool {
+	return IsHash(str, "tiger128")
+}
+
+// IsRipeMD128 checks is a string is a RipeMD128 hash. Alias for `IsHash(str, "ripemd128")`
+func IsRipeMD128(str string) bool {
+	return IsHash(str, "ripemd128")
+}
+
+// IsCRC32 checks is a string is a CRC32 hash. Alias for `IsHash(str, "crc32")`
+func IsCRC32(str string) bool {
+	return IsHash(str, "crc32")
+}
+
+// IsCRC32b checks is a string is a CRC32b hash. Alias for `IsHash(str, "crc32b")`
+func IsCRC32b(str string) bool {
+	return IsHash(str, "crc32b")
+}
+
+// IsMD5 checks is a string is a MD5 hash. Alias for `IsHash(str, "md5")`
+func IsMD5(str string) bool {
+	return IsHash(str, "md5")
+}
+
+// IsMD4 checks is a string is a MD4 hash. Alias for `IsHash(str, "md4")`
+func IsMD4(str string) bool {
+	return IsHash(str, "md4")
+}
+
 // IsDialString validates the given string for usage with the various Dial() functions
 func IsDialString(str string) bool {
-
 	if h, p, err := net.SplitHostPort(str); err == nil && h != "" && p != "" && (IsDNSName(h) || IsIP(h)) && IsPort(p) {
 		return true
 	}
@@ -599,7 +673,7 @@ func IsDialString(str string) bool {
 	return false
 }
 
-// IsIP checks if a string is either IP version 4 or 6.
+// IsIP checks if a string is either IP version 4 or 6. Alias for `net.ParseIP`
 func IsIP(str string) bool {
 	return net.ParseIP(str) != nil
 }
@@ -663,6 +737,11 @@ func IsLongitude(str string) bool {
 	return rxLongitude.MatchString(str)
 }
 
+// IsIMEI check if a string is valid IMEI
+func IsIMEI(str string) bool {
+	return rxIMEI.MatchString(str)
+}
+
 // IsRsaPublicKey check if a string is valid public key with provided length
 func IsRsaPublicKey(str string, keylen int) bool {
 	bb := bytes.NewBufferString(str)
@@ -729,12 +808,116 @@ func PrependPathToErrors(err error, path string) error {
 		}
 		return err2
 	}
-	fmt.Println(err)
 	return err
 }
 
+// ValidateMap use validation map for fields.
+// result will be equal to `false` if there are any errors.
+// s is the map containing the data to be validated.
+// m is the validation map in the form:
+//   map[string]interface{}{"name":"required,alpha","address":map[string]interface{}{"line1":"required,alphanum"}}
+func ValidateMap(s map[string]interface{}, m map[string]interface{}) (bool, error) {
+	if s == nil {
+		return true, nil
+	}
+	result := true
+	var err error
+	var errs Errors
+	var index int
+	val := reflect.ValueOf(s)
+	for key, value := range s {
+		presentResult := true
+		validator, ok := m[key]
+		if !ok {
+			presentResult = false
+			var err error
+			err = fmt.Errorf("all map keys has to be present in the validation map; got %s", key)
+			err = PrependPathToErrors(err, key)
+			errs = append(errs, err)
+		}
+		valueField := reflect.ValueOf(value)
+		mapResult := true
+		typeResult := true
+		structResult := true
+		resultField := true
+		switch subValidator := validator.(type) {
+		case map[string]interface{}:
+			var err error
+			if v, ok := value.(map[string]interface{}); !ok {
+				mapResult = false
+				err = fmt.Errorf("map validator has to be for the map type only; got %s", valueField.Type().String())
+				err = PrependPathToErrors(err, key)
+				errs = append(errs, err)
+			} else {
+				mapResult, err = ValidateMap(v, subValidator)
+				if err != nil {
+					mapResult = false
+					err = PrependPathToErrors(err, key)
+					errs = append(errs, err)
+				}
+			}
+		case string:
+			if (valueField.Kind() == reflect.Struct ||
+				(valueField.Kind() == reflect.Ptr && valueField.Elem().Kind() == reflect.Struct)) &&
+				subValidator != "-" {
+				var err error
+				structResult, err = ValidateStruct(valueField.Interface())
+				if err != nil {
+					err = PrependPathToErrors(err, key)
+					errs = append(errs, err)
+				}
+			}
+			resultField, err = typeCheck(valueField, reflect.StructField{
+				Name:      key,
+				PkgPath:   "",
+				Type:      val.Type(),
+				Tag:       reflect.StructTag(fmt.Sprintf("%s:%q", tagName, subValidator)),
+				Offset:    0,
+				Index:     []int{index},
+				Anonymous: false,
+			}, val, nil)
+			if err != nil {
+				errs = append(errs, err)
+			}
+		case nil:
+			// already handlerd when checked before
+		default:
+			typeResult = false
+			err = fmt.Errorf("map validator has to be either map[string]interface{} or string; got %s", valueField.Type().String())
+			err = PrependPathToErrors(err, key)
+			errs = append(errs, err)
+		}
+		result = result && presentResult && typeResult && resultField && structResult && mapResult
+		index++
+	}
+	// check required keys
+	requiredResult := true
+	for key, value := range m {
+		if schema, ok := value.(string); ok {
+			tags := parseTagIntoMap(schema)
+			if required, ok := tags["required"]; ok {
+				if _, ok := s[key]; !ok {
+					requiredResult = false
+					if required.customErrorMessage != "" {
+						err = Error{key, fmt.Errorf(required.customErrorMessage), true, "required", []string{}}
+					} else {
+						err = Error{key, fmt.Errorf("required field missing"), false, "required", []string{}}
+					}
+					errs = append(errs, err)
+				}
+			}
+		}
+	}
+
+	if len(errs) > 0 {
+		err = errs
+	}
+	return result && requiredResult, err
+}
+
 // ValidateStruct use tags for fields.
 // result will be equal to `false` if there are any errors.
+// todo currently there is no guarantee that errors will be returned in predictable order (tests may to fail)
 func ValidateStruct(s interface{}) (bool, error) {
 	if s == nil {
 		return true, nil
@@ -856,12 +1039,29 @@ func IsSemver(str string) bool {
 	return rxSemver.MatchString(str)
 }
 
+// IsType check if interface is of some type
+func IsType(v interface{}, params ...string) bool {
+	if len(params) == 1 {
+		typ := params[0]
+		return strings.Replace(reflect.TypeOf(v).String(), " ", "", -1) == strings.Replace(typ, " ", "", -1)
+	}
+	return false
+}
+
 // IsTime check if string is valid according to given format
 func IsTime(str string, format string) bool {
 	_, err := time.Parse(format, str)
 	return err == nil
 }
 
+// IsUnixTime check if string is valid unix timestamp value
+func IsUnixTime(str string) bool {
+	if _, err := strconv.Atoi(str); err == nil {
+		return true
+	}
+	return false
+}
+
 // IsRFC3339 check if string is valid timestamp value according to RFC3339
 func IsRFC3339(str string) bool {
 	return IsTime(str, time.RFC3339)
@@ -933,6 +1133,30 @@ func StringLength(str string, params ...string) bool {
 	return false
 }
 
+// MinStringLength check string's minimum length (including multi byte strings)
+func MinStringLength(str string, params ...string) bool {
+
+	if len(params) == 1 {
+		strLength := utf8.RuneCountInString(str)
+		min, _ := ToInt(params[0])
+		return strLength >= int(min)
+	}
+
+	return false
+}
+
+// MaxStringLength check string's maximum length (including multi byte strings)
+func MaxStringLength(str string, params ...string) bool {
+
+	if len(params) == 1 {
+		strLength := utf8.RuneCountInString(str)
+		max, _ := ToInt(params[0])
+		return strLength <= int(max)
+	}
+
+	return false
+}
+
 // Range check string's length
 func Range(str string, params ...string) bool {
 	if len(params) == 2 {
@@ -945,7 +1169,7 @@ func Range(str string, params ...string) bool {
 	return false
 }
 
-func isInRaw(str string, params ...string) bool {
+func IsInRaw(str string, params ...string) bool {
 	if len(params) == 1 {
 		rawParams := params[0]
 
@@ -1014,7 +1238,7 @@ func typeCheck(v reflect.Value, t reflect.StructField, o reflect.Value, options
 		options = parseTagIntoMap(tag)
 	}
 
-	if isEmptyValue(v) {
+	if !isFieldSet(v) {
 		// an empty value is not validated, check only required
 		isValid, resultErr = checkRequired(v, t, options)
 		for key := range options {
@@ -1062,6 +1286,45 @@ func typeCheck(v reflect.Value, t reflect.StructField, o reflect.Value, options
 		}()
 	}
 
+	for _, validatorSpec := range optionsOrder {
+		validatorStruct := options[validatorSpec]
+		var negate bool
+		validator := validatorSpec
+		customMsgExists := len(validatorStruct.customErrorMessage) > 0
+
+		// Check whether the tag looks like '!something' or 'something'
+		if validator[0] == '!' {
+			validator = validator[1:]
+			negate = true
+		}
+
+		// Check for interface param validators
+		for key, value := range InterfaceParamTagRegexMap {
+			ps := value.FindStringSubmatch(validator)
+			if len(ps) == 0 {
+				continue
+			}
+
+			validatefunc, ok := InterfaceParamTagMap[key]
+			if !ok {
+				continue
+			}
+
+			delete(options, validatorSpec)
+
+			field := fmt.Sprint(v)
+			if result := validatefunc(v.Interface(), ps[1:]...); (!result && !negate) || (result && negate) {
+				if customMsgExists {
+					return false, Error{t.Name, TruncatingErrorf(validatorStruct.customErrorMessage, field, validator), customMsgExists, stripParams(validatorSpec), []string{}}
+				}
+				if negate {
+					return false, Error{t.Name, fmt.Errorf("%s does validate as %s", field, validator), customMsgExists, stripParams(validatorSpec), []string{}}
+				}
+				return false, Error{t.Name, fmt.Errorf("%s does not validate as %s", field, validator), customMsgExists, stripParams(validatorSpec), []string{}}
+			}
+		}
+	}
+
 	switch v.Kind() {
 	case reflect.Bool,
 		reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
@@ -1121,10 +1384,10 @@ func typeCheck(v reflect.Value, t reflect.StructField, o reflect.Value, options
 				delete(options, validatorSpec)
 
 				switch v.Kind() {
-                case reflect.String,
-                    reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
-                    reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
-                    reflect.Float32, reflect.Float64:
+				case reflect.String,
+					reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+					reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
+					reflect.Float32, reflect.Float64:
 					field := fmt.Sprint(v) // make value into string, then validate with regex
 					if result := validatefunc(field); !result && !negate || result && negate {
 						if customMsgExists {
@@ -1202,7 +1465,7 @@ func typeCheck(v reflect.Value, t reflect.StructField, o reflect.Value, options
 		}
 		return typeCheck(v.Elem(), t, o, options)
 	case reflect.Struct:
-		return ValidateStruct(v.Interface())
+		return true, nil
 	default:
 		return false, &UnsupportedTypeError{v.Type()}
 	}
@@ -1212,25 +1475,14 @@ func stripParams(validatorString string) string {
 	return paramsRegexp.ReplaceAllString(validatorString, "")
 }
 
-func isEmptyValue(v reflect.Value) bool {
+// isFieldSet returns false for nil pointers, interfaces, maps, and slices. For all other values, it returns true.
+func isFieldSet(v reflect.Value) bool {
 	switch v.Kind() {
-	case reflect.String, reflect.Array:
-		return v.Len() == 0
-	case reflect.Map, reflect.Slice:
-		return v.Len() == 0 || v.IsNil()
-	case reflect.Bool:
-		return !v.Bool()
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return v.Int() == 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return v.Uint() == 0
-	case reflect.Float32, reflect.Float64:
-		return v.Float() == 0
-	case reflect.Interface, reflect.Ptr:
-		return v.IsNil()
+	case reflect.Map, reflect.Slice, reflect.Interface, reflect.Ptr:
+		return !v.IsNil()
 	}
 
-	return reflect.DeepEqual(v.Interface(), reflect.Zero(v.Type()).Interface())
+	return true
 }
 
 // ErrorByField returns error for specified field of the struct
@@ -1252,11 +1504,11 @@ func ErrorsByField(e error) map[string]string {
 	}
 	// prototype for ValidateStruct
 
-	switch e.(type) {
+	switch e := e.(type) {
 	case Error:
-		m[e.(Error).Name] = e.(Error).Err.Error()
+		m[e.Name] = e.Err.Error()
 	case Errors:
-		for _, item := range e.(Errors).Errors() {
+		for _, item := range e.Errors() {
 			n := ErrorsByField(item)
 			for k, v := range n {
 				m[k] = v
diff --git a/vendor/github.com/asaskevich/govalidator/wercker.yml b/vendor/github.com/asaskevich/govalidator/wercker.yml
index cac7a5fcf0..bc5f7b0864 100644
--- a/vendor/github.com/asaskevich/govalidator/wercker.yml
+++ b/vendor/github.com/asaskevich/govalidator/wercker.yml
@@ -12,4 +12,4 @@ build:
     - script:
         name: go test
         code: |
-          go test -race ./...
+          go test -race -v ./...