diff options
Diffstat (limited to 'vendor/github.com/asaskevich/govalidator/validator.go')
| -rw-r--r-- | vendor/github.com/asaskevich/govalidator/validator.go | 1768 |
1 files changed, 0 insertions, 1768 deletions
diff --git a/vendor/github.com/asaskevich/govalidator/validator.go b/vendor/github.com/asaskevich/govalidator/validator.go deleted file mode 100644 index c9c4fac06..000000000 --- a/vendor/github.com/asaskevich/govalidator/validator.go +++ /dev/null @@ -1,1768 +0,0 @@ -// Package govalidator is package of validators and sanitizers for strings, structs and collections. -package govalidator - -import ( - "bytes" - "crypto/rsa" - "crypto/x509" - "encoding/base64" - "encoding/json" - "encoding/pem" - "fmt" - "io/ioutil" - "net" - "net/url" - "reflect" - "regexp" - "sort" - "strconv" - "strings" - "time" - "unicode" - "unicode/utf8" -) - -var ( - fieldsRequiredByDefault bool - nilPtrAllowedByRequired = false - notNumberRegexp = regexp.MustCompile("[^0-9]+") - whiteSpacesAndMinus = regexp.MustCompile(`[\s-]+`) - paramsRegexp = regexp.MustCompile(`\(.*\)$`) -) - -const maxURLRuneCount = 2083 -const minURLRuneCount = 3 -const rfc3339WithoutZone = "2006-01-02T15:04:05" - -// SetFieldsRequiredByDefault causes validation to fail when struct fields -// do not include validations or are not explicitly marked as exempt (using `valid:"-"` or `valid:"email,optional"`). -// This struct definition will fail govalidator.ValidateStruct() (and the field values do not matter): -// type exampleStruct struct { -// Name string `` -// Email string `valid:"email"` -// This, however, will only fail when Email is empty or an invalid email address: -// type exampleStruct2 struct { -// Name string `valid:"-"` -// Email string `valid:"email"` -// Lastly, this will only fail when Email is an invalid email address but not when it's empty: -// type exampleStruct2 struct { -// Name string `valid:"-"` -// Email string `valid:"email,optional"` -func SetFieldsRequiredByDefault(value bool) { - fieldsRequiredByDefault = value -} - -// SetNilPtrAllowedByRequired causes validation to pass for nil ptrs when a field is set to required. -// The validation will still reject ptr fields in their zero value state. Example with this enabled: -// type exampleStruct struct { -// Name *string `valid:"required"` -// With `Name` set to "", this will be considered invalid input and will cause a validation error. -// With `Name` set to nil, this will be considered valid by validation. -// By default this is disabled. -func SetNilPtrAllowedByRequired(value bool) { - nilPtrAllowedByRequired = value -} - -// IsEmail checks if the string is an email. -func IsEmail(str string) bool { - // TODO uppercase letters are not supported - return rxEmail.MatchString(str) -} - -// IsExistingEmail checks if the string is an email of existing domain -func IsExistingEmail(email string) bool { - - if len(email) < 6 || len(email) > 254 { - return false - } - at := strings.LastIndex(email, "@") - if at <= 0 || at > len(email)-3 { - return false - } - user := email[:at] - host := email[at+1:] - if len(user) > 64 { - return false - } - switch host { - case "localhost", "example.com": - return true - } - if userDotRegexp.MatchString(user) || !userRegexp.MatchString(user) || !hostRegexp.MatchString(host) { - return false - } - if _, err := net.LookupMX(host); err != nil { - if _, err := net.LookupIP(host); err != nil { - return false - } - } - - return true -} - -// IsURL checks if the string is an URL. -func IsURL(str string) bool { - if str == "" || utf8.RuneCountInString(str) >= maxURLRuneCount || len(str) <= minURLRuneCount || strings.HasPrefix(str, ".") { - return false - } - strTemp := str - if strings.Contains(str, ":") && !strings.Contains(str, "://") { - // support no indicated urlscheme but with colon for port number - // http:// is appended so url.Parse will succeed, strTemp used so it does not impact rxURL.MatchString - strTemp = "http://" + str - } - u, err := url.Parse(strTemp) - if err != nil { - return false - } - if strings.HasPrefix(u.Host, ".") { - return false - } - if u.Host == "" && (u.Path != "" && !strings.Contains(u.Path, ".")) { - return false - } - return rxURL.MatchString(str) -} - -// IsRequestURL checks if the string rawurl, assuming -// it was received in an HTTP request, is a valid -// URL confirm to RFC 3986 -func IsRequestURL(rawurl string) bool { - url, err := url.ParseRequestURI(rawurl) - if err != nil { - return false //Couldn't even parse the rawurl - } - if len(url.Scheme) == 0 { - return false //No Scheme found - } - return true -} - -// IsRequestURI checks if the string rawurl, assuming -// it was received in an HTTP request, is an -// absolute URI or an absolute path. -func IsRequestURI(rawurl string) bool { - _, err := url.ParseRequestURI(rawurl) - return err == nil -} - -// IsAlpha checks if the string contains only letters (a-zA-Z). Empty string is valid. -func IsAlpha(str string) bool { - if IsNull(str) { - return true - } - return rxAlpha.MatchString(str) -} - -//IsUTFLetter checks if the string contains only unicode letter characters. -//Similar to IsAlpha but for all languages. Empty string is valid. -func IsUTFLetter(str string) bool { - if IsNull(str) { - return true - } - - for _, c := range str { - if !unicode.IsLetter(c) { - return false - } - } - return true - -} - -// IsAlphanumeric checks if the string contains only letters and numbers. Empty string is valid. -func IsAlphanumeric(str string) bool { - if IsNull(str) { - return true - } - return rxAlphanumeric.MatchString(str) -} - -// IsUTFLetterNumeric checks if the string contains only unicode letters and numbers. Empty string is valid. -func IsUTFLetterNumeric(str string) bool { - if IsNull(str) { - return true - } - for _, c := range str { - if !unicode.IsLetter(c) && !unicode.IsNumber(c) { //letters && numbers are ok - return false - } - } - return true - -} - -// IsNumeric checks if the string contains only numbers. Empty string is valid. -func IsNumeric(str string) bool { - if IsNull(str) { - return true - } - return rxNumeric.MatchString(str) -} - -// IsUTFNumeric checks if the string contains only unicode numbers of any kind. -// Numbers can be 0-9 but also Fractions ¾,Roman Ⅸ and Hangzhou 〩. Empty string is valid. -func IsUTFNumeric(str string) bool { - if IsNull(str) { - return true - } - if strings.IndexAny(str, "+-") > 0 { - return false - } - if len(str) > 1 { - str = strings.TrimPrefix(str, "-") - str = strings.TrimPrefix(str, "+") - } - for _, c := range str { - if !unicode.IsNumber(c) { //numbers && minus sign are ok - return false - } - } - return true - -} - -// IsUTFDigit checks if the string contains only unicode radix-10 decimal digits. Empty string is valid. -func IsUTFDigit(str string) bool { - if IsNull(str) { - return true - } - if strings.IndexAny(str, "+-") > 0 { - return false - } - if len(str) > 1 { - str = strings.TrimPrefix(str, "-") - str = strings.TrimPrefix(str, "+") - } - for _, c := range str { - if !unicode.IsDigit(c) { //digits && minus sign are ok - return false - } - } - return true - -} - -// IsHexadecimal checks if the string is a hexadecimal number. -func IsHexadecimal(str string) bool { - return rxHexadecimal.MatchString(str) -} - -// IsHexcolor checks if the string is a hexadecimal color. -func IsHexcolor(str string) bool { - return rxHexcolor.MatchString(str) -} - -// IsRGBcolor checks if the string is a valid RGB color in form rgb(RRR, GGG, BBB). -func IsRGBcolor(str string) bool { - return rxRGBcolor.MatchString(str) -} - -// IsLowerCase checks if the string is lowercase. Empty string is valid. -func IsLowerCase(str string) bool { - if IsNull(str) { - return true - } - return str == strings.ToLower(str) -} - -// IsUpperCase checks if the string is uppercase. Empty string is valid. -func IsUpperCase(str string) bool { - if IsNull(str) { - return true - } - return str == strings.ToUpper(str) -} - -// HasLowerCase checks if the string contains at least 1 lowercase. Empty string is valid. -func HasLowerCase(str string) bool { - if IsNull(str) { - return true - } - return rxHasLowerCase.MatchString(str) -} - -// HasUpperCase checks if the string contains as least 1 uppercase. Empty string is valid. -func HasUpperCase(str string) bool { - if IsNull(str) { - return true - } - return rxHasUpperCase.MatchString(str) -} - -// IsInt checks if the string is an integer. Empty string is valid. -func IsInt(str string) bool { - if IsNull(str) { - return true - } - return rxInt.MatchString(str) -} - -// IsFloat checks if the string is a float. -func IsFloat(str string) bool { - return str != "" && rxFloat.MatchString(str) -} - -// IsDivisibleBy checks if the string is a number that's divisible by another. -// If second argument is not valid integer or zero, it's return false. -// Otherwise, if first argument is not valid integer or zero, it's return true (Invalid string converts to zero). -func IsDivisibleBy(str, num string) bool { - f, _ := ToFloat(str) - p := int64(f) - q, _ := ToInt(num) - if q == 0 { - return false - } - return (p == 0) || (p%q == 0) -} - -// IsNull checks if the string is null. -func IsNull(str string) bool { - return len(str) == 0 -} - -// IsNotNull checks 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) -} - -// HasWhitespace checks if the string contains any whitespace -func HasWhitespace(str string) bool { - return len(str) > 0 && rxHasWhitespace.MatchString(str) -} - -// IsByteLength checks if the string's length (in bytes) falls in a range. -func IsByteLength(str string, min, max int) bool { - return len(str) >= min && len(str) <= max -} - -// IsUUIDv3 checks if the string is a UUID version 3. -func IsUUIDv3(str string) bool { - return rxUUID3.MatchString(str) -} - -// IsUUIDv4 checks if the string is a UUID version 4. -func IsUUIDv4(str string) bool { - return rxUUID4.MatchString(str) -} - -// IsUUIDv5 checks if the string is a UUID version 5. -func IsUUIDv5(str string) bool { - return rxUUID5.MatchString(str) -} - -// IsUUID checks if the string is a UUID (version 3, 4 or 5). -func IsUUID(str string) bool { - return rxUUID.MatchString(str) -} - -// Byte to index table for O(1) lookups when unmarshaling. -// We use 0xFF as sentinel value for invalid indexes. -var ulidDec = [...]byte{ - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, - 0x0F, 0x10, 0x11, 0xFF, 0x12, 0x13, 0xFF, 0x14, 0x15, 0xFF, - 0x16, 0x17, 0x18, 0x19, 0x1A, 0xFF, 0x1B, 0x1C, 0x1D, 0x1E, - 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C, - 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0xFF, 0x12, 0x13, 0xFF, 0x14, - 0x15, 0xFF, 0x16, 0x17, 0x18, 0x19, 0x1A, 0xFF, 0x1B, 0x1C, - 0x1D, 0x1E, 0x1F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, - 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, -} - -// EncodedSize is the length of a text encoded ULID. -const ulidEncodedSize = 26 - -// IsULID checks if the string is a ULID. -// -// Implementation got from: -// https://github.com/oklog/ulid (Apache-2.0 License) -// -func IsULID(str string) bool { - // Check if a base32 encoded ULID is the right length. - if len(str) != ulidEncodedSize { - return false - } - - // Check if all the characters in a base32 encoded ULID are part of the - // expected base32 character set. - if ulidDec[str[0]] == 0xFF || - ulidDec[str[1]] == 0xFF || - ulidDec[str[2]] == 0xFF || - ulidDec[str[3]] == 0xFF || - ulidDec[str[4]] == 0xFF || - ulidDec[str[5]] == 0xFF || - ulidDec[str[6]] == 0xFF || - ulidDec[str[7]] == 0xFF || - ulidDec[str[8]] == 0xFF || - ulidDec[str[9]] == 0xFF || - ulidDec[str[10]] == 0xFF || - ulidDec[str[11]] == 0xFF || - ulidDec[str[12]] == 0xFF || - ulidDec[str[13]] == 0xFF || - ulidDec[str[14]] == 0xFF || - ulidDec[str[15]] == 0xFF || - ulidDec[str[16]] == 0xFF || - ulidDec[str[17]] == 0xFF || - ulidDec[str[18]] == 0xFF || - ulidDec[str[19]] == 0xFF || - ulidDec[str[20]] == 0xFF || - ulidDec[str[21]] == 0xFF || - ulidDec[str[22]] == 0xFF || - ulidDec[str[23]] == 0xFF || - ulidDec[str[24]] == 0xFF || - ulidDec[str[25]] == 0xFF { - return false - } - - // Check if the first character in a base32 encoded ULID will overflow. This - // happens because the base32 representation encodes 130 bits, while the - // ULID is only 128 bits. - // - // See https://github.com/oklog/ulid/issues/9 for details. - if str[0] > '7' { - return false - } - return true -} - -// IsCreditCard checks if the string is a credit card. -func IsCreditCard(str string) bool { - sanitized := whiteSpacesAndMinus.ReplaceAllString(str, "") - if !rxCreditCard.MatchString(sanitized) { - return false - } - - number, _ := ToInt(sanitized) - number, lastDigit := number / 10, number % 10 - - var sum int64 - for i:=0; number > 0; i++ { - digit := number % 10 - - if i % 2 == 0 { - digit *= 2 - if digit > 9 { - digit -= 9 - } - } - - sum += digit - number = number / 10 - } - - return (sum + lastDigit) % 10 == 0 -} - -// IsISBN10 checks if the string is an ISBN version 10. -func IsISBN10(str string) bool { - return IsISBN(str, 10) -} - -// IsISBN13 checks if the string is an ISBN version 13. -func IsISBN13(str string) bool { - return IsISBN(str, 13) -} - -// IsISBN checks if the string is an ISBN (version 10 or 13). -// If version value is not equal to 10 or 13, it will be checks both variants. -func IsISBN(str string, version int) bool { - sanitized := whiteSpacesAndMinus.ReplaceAllString(str, "") - var checksum int32 - var i int32 - if version == 10 { - if !rxISBN10.MatchString(sanitized) { - return false - } - for i = 0; i < 9; i++ { - checksum += (i + 1) * int32(sanitized[i]-'0') - } - if sanitized[9] == 'X' { - checksum += 10 * 10 - } else { - checksum += 10 * int32(sanitized[9]-'0') - } - if checksum%11 == 0 { - return true - } - return false - } else if version == 13 { - if !rxISBN13.MatchString(sanitized) { - return false - } - factor := []int32{1, 3} - for i = 0; i < 12; i++ { - checksum += factor[i%2] * int32(sanitized[i]-'0') - } - return (int32(sanitized[12]-'0'))-((10-(checksum%10))%10) == 0 - } - return IsISBN(str, 10) || IsISBN(str, 13) -} - -// IsJSON checks if the string is valid JSON (note: uses json.Unmarshal). -func IsJSON(str string) bool { - var js json.RawMessage - return json.Unmarshal([]byte(str), &js) == nil -} - -// IsMultibyte checks if the string contains one or more multibyte chars. Empty string is valid. -func IsMultibyte(str string) bool { - if IsNull(str) { - return true - } - return rxMultibyte.MatchString(str) -} - -// IsASCII checks if the string contains ASCII chars only. Empty string is valid. -func IsASCII(str string) bool { - if IsNull(str) { - return true - } - return rxASCII.MatchString(str) -} - -// IsPrintableASCII checks if the string contains printable ASCII chars only. Empty string is valid. -func IsPrintableASCII(str string) bool { - if IsNull(str) { - return true - } - return rxPrintableASCII.MatchString(str) -} - -// IsFullWidth checks if the string contains any full-width chars. Empty string is valid. -func IsFullWidth(str string) bool { - if IsNull(str) { - return true - } - return rxFullWidth.MatchString(str) -} - -// IsHalfWidth checks if the string contains any half-width chars. Empty string is valid. -func IsHalfWidth(str string) bool { - if IsNull(str) { - return true - } - return rxHalfWidth.MatchString(str) -} - -// IsVariableWidth checks if the string contains a mixture of full and half-width chars. Empty string is valid. -func IsVariableWidth(str string) bool { - if IsNull(str) { - return true - } - return rxHalfWidth.MatchString(str) && rxFullWidth.MatchString(str) -} - -// IsBase64 checks if a string is base64 encoded. -func IsBase64(str string) bool { - return rxBase64.MatchString(str) -} - -// IsFilePath checks is a string is Win or Unix file path and returns it's type. -func IsFilePath(str string) (bool, int) { - if rxWinPath.MatchString(str) { - //check windows path limit see: - // http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx#maxpath - if len(str[3:]) > 32767 { - return false, Win - } - return true, Win - } else if rxUnixPath.MatchString(str) { - return true, Unix - } - return false, Unknown -} - -//IsWinFilePath checks both relative & absolute paths in Windows -func IsWinFilePath(str string) bool { - if rxARWinPath.MatchString(str) { - //check windows path limit see: - // http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx#maxpath - if len(str[3:]) > 32767 { - return false - } - return true - } - return false -} - -//IsUnixFilePath checks both relative & absolute paths in Unix -func IsUnixFilePath(str string) bool { - if rxARUnixPath.MatchString(str) { - return true - } - return false -} - -// IsDataURI checks if a string is base64 encoded data URI such as an image -func IsDataURI(str string) bool { - dataURI := strings.Split(str, ",") - if !rxDataURI.MatchString(dataURI[0]) { - return false - } - 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 { - if str == entry.Alpha2Code { - return true - } - } - return false -} - -// IsISO3166Alpha3 checks if a string is valid three-letter country code -func IsISO3166Alpha3(str string) bool { - for _, entry := range ISO3166List { - if str == entry.Alpha3Code { - return true - } - } - return false -} - -// IsISO693Alpha2 checks if a string is valid two-letter language code -func IsISO693Alpha2(str string) bool { - for _, entry := range ISO693List { - if str == entry.Alpha2Code { - return true - } - } - return false -} - -// IsISO693Alpha3b checks if a string is valid three-letter language code -func IsISO693Alpha3b(str string) bool { - for _, entry := range ISO693List { - if str == entry.Alpha3bCode { - return true - } - } - return false -} - -// IsDNSName will validate the given string as a DNS name -func IsDNSName(str string) bool { - if str == "" || len(strings.Replace(str, ".", "", -1)) > 255 { - // constraints already violated - return false - } - return !IsIP(str) && rxDNSName.MatchString(str) -} - -// 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 { - var len string - algo := strings.ToLower(algorithm) - - if algo == "crc32" || algo == "crc32b" { - len = "8" - } else if algo == "md5" || algo == "md4" || algo == "ripemd128" || algo == "tiger128" { - len = "32" - } else if algo == "sha1" || algo == "ripemd160" || algo == "tiger160" { - len = "40" - } else if algo == "tiger192" { - len = "48" - } else if algo == "sha3-224" { - len = "56" - } else if algo == "sha256" || algo == "sha3-256" { - len = "64" - } else if algo == "sha384" || algo == "sha3-384" { - len = "96" - } else if algo == "sha512" || algo == "sha3-512" { - len = "128" - } else { - return false - } - - return Matches(str, "^[a-f0-9]{"+len+"}$") -} - -// IsSHA3224 checks is a string is a SHA3-224 hash. Alias for `IsHash(str, "sha3-224")` -func IsSHA3224(str string) bool { - return IsHash(str, "sha3-224") -} - -// IsSHA3256 checks is a string is a SHA3-256 hash. Alias for `IsHash(str, "sha3-256")` -func IsSHA3256(str string) bool { - return IsHash(str, "sha3-256") -} - -// IsSHA3384 checks is a string is a SHA3-384 hash. Alias for `IsHash(str, "sha3-384")` -func IsSHA3384(str string) bool { - return IsHash(str, "sha3-384") -} - -// IsSHA3512 checks is a string is a SHA3-512 hash. Alias for `IsHash(str, "sha3-512")` -func IsSHA3512(str string) bool { - return IsHash(str, "sha3-512") -} - -// 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 - } - - return false -} - -// 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 -} - -// IsPort checks if a string represents a valid port -func IsPort(str string) bool { - if i, err := strconv.Atoi(str); err == nil && i > 0 && i < 65536 { - return true - } - return false -} - -// IsIPv4 checks if the string is an IP version 4. -func IsIPv4(str string) bool { - ip := net.ParseIP(str) - return ip != nil && strings.Contains(str, ".") -} - -// IsIPv6 checks if the string is an IP version 6. -func IsIPv6(str string) bool { - ip := net.ParseIP(str) - return ip != nil && strings.Contains(str, ":") -} - -// IsCIDR checks if the string is an valid CIDR notiation (IPV4 & IPV6) -func IsCIDR(str string) bool { - _, _, err := net.ParseCIDR(str) - return err == nil -} - -// IsMAC checks if a string is valid MAC address. -// Possible MAC formats: -// 01:23:45:67:89:ab -// 01:23:45:67:89:ab:cd:ef -// 01-23-45-67-89-ab -// 01-23-45-67-89-ab-cd-ef -// 0123.4567.89ab -// 0123.4567.89ab.cdef -func IsMAC(str string) bool { - _, err := net.ParseMAC(str) - return err == nil -} - -// IsHost checks if the string is a valid IP (both v4 and v6) or a valid DNS name -func IsHost(str string) bool { - return IsIP(str) || IsDNSName(str) -} - -// IsMongoID checks if the string is a valid hex-encoded representation of a MongoDB ObjectId. -func IsMongoID(str string) bool { - return rxHexadecimal.MatchString(str) && (len(str) == 24) -} - -// IsLatitude checks if a string is valid latitude. -func IsLatitude(str string) bool { - return rxLatitude.MatchString(str) -} - -// IsLongitude checks if a string is valid longitude. -func IsLongitude(str string) bool { - return rxLongitude.MatchString(str) -} - -// IsIMEI checks if a string is valid IMEI -func IsIMEI(str string) bool { - return rxIMEI.MatchString(str) -} - -// IsIMSI checks if a string is valid IMSI -func IsIMSI(str string) bool { - if !rxIMSI.MatchString(str) { - return false - } - - mcc, err := strconv.ParseInt(str[0:3], 10, 32) - if err != nil { - return false - } - - switch mcc { - case 202, 204, 206, 208, 212, 213, 214, 216, 218, 219: - case 220, 221, 222, 226, 228, 230, 231, 232, 234, 235: - case 238, 240, 242, 244, 246, 247, 248, 250, 255, 257: - case 259, 260, 262, 266, 268, 270, 272, 274, 276, 278: - case 280, 282, 283, 284, 286, 288, 289, 290, 292, 293: - case 294, 295, 297, 302, 308, 310, 311, 312, 313, 314: - case 315, 316, 330, 332, 334, 338, 340, 342, 344, 346: - case 348, 350, 352, 354, 356, 358, 360, 362, 363, 364: - case 365, 366, 368, 370, 372, 374, 376, 400, 401, 402: - case 404, 405, 406, 410, 412, 413, 414, 415, 416, 417: - case 418, 419, 420, 421, 422, 424, 425, 426, 427, 428: - case 429, 430, 431, 432, 434, 436, 437, 438, 440, 441: - case 450, 452, 454, 455, 456, 457, 460, 461, 466, 467: - case 470, 472, 502, 505, 510, 514, 515, 520, 525, 528: - case 530, 536, 537, 539, 540, 541, 542, 543, 544, 545: - case 546, 547, 548, 549, 550, 551, 552, 553, 554, 555: - case 602, 603, 604, 605, 606, 607, 608, 609, 610, 611: - case 612, 613, 614, 615, 616, 617, 618, 619, 620, 621: - case 622, 623, 624, 625, 626, 627, 628, 629, 630, 631: - case 632, 633, 634, 635, 636, 637, 638, 639, 640, 641: - case 642, 643, 645, 646, 647, 648, 649, 650, 651, 652: - case 653, 654, 655, 657, 658, 659, 702, 704, 706, 708: - case 710, 712, 714, 716, 722, 724, 730, 732, 734, 736: - case 738, 740, 742, 744, 746, 748, 750, 995: - return true - default: - return false - } - return true -} - -// IsRsaPublicKey checks if a string is valid public key with provided length -func IsRsaPublicKey(str string, keylen int) bool { - bb := bytes.NewBufferString(str) - pemBytes, err := ioutil.ReadAll(bb) - if err != nil { - return false - } - block, _ := pem.Decode(pemBytes) - if block != nil && block.Type != "PUBLIC KEY" { - return false - } - var der []byte - - if block != nil { - der = block.Bytes - } else { - der, err = base64.StdEncoding.DecodeString(str) - if err != nil { - return false - } - } - - key, err := x509.ParsePKIXPublicKey(der) - if err != nil { - return false - } - pubkey, ok := key.(*rsa.PublicKey) - if !ok { - return false - } - bitlen := len(pubkey.N.Bytes()) * 8 - return bitlen == int(keylen) -} - -// IsRegex checks if a give string is a valid regex with RE2 syntax or not -func IsRegex(str string) bool { - if _, err := regexp.Compile(str); err == nil { - return true - } - return false -} - -func toJSONName(tag string) string { - if tag == "" { - return "" - } - - // JSON name always comes first. If there's no options then split[0] is - // JSON name, if JSON name is not set, then split[0] is an empty string. - split := strings.SplitN(tag, ",", 2) - - name := split[0] - - // However it is possible that the field is skipped when - // (de-)serializing from/to JSON, in which case assume that there is no - // tag name to use - if name == "-" { - return "" - } - return name -} - -func prependPathToErrors(err error, path string) error { - switch err2 := err.(type) { - case Error: - err2.Path = append([]string{path}, err2.Path...) - return err2 - case Errors: - errors := err2.Errors() - for i, err3 := range errors { - errors[i] = prependPathToErrors(err3, path) - } - return err2 - } - return err -} - -// ValidateArray performs validation according to condition iterator that validates every element of the array -func ValidateArray(array []interface{}, iterator ConditionIterator) bool { - return Every(array, iterator) -} - -// 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++ - } - // checks 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 - } - result := true - var err error - val := reflect.ValueOf(s) - if val.Kind() == reflect.Interface || val.Kind() == reflect.Ptr { - val = val.Elem() - } - // we only accept structs - if val.Kind() != reflect.Struct { - return false, fmt.Errorf("function only accepts structs; got %s", val.Kind()) - } - var errs Errors - for i := 0; i < val.NumField(); i++ { - valueField := val.Field(i) - typeField := val.Type().Field(i) - if typeField.PkgPath != "" { - continue // Private field - } - structResult := true - if valueField.Kind() == reflect.Interface { - valueField = valueField.Elem() - } - if (valueField.Kind() == reflect.Struct || - (valueField.Kind() == reflect.Ptr && valueField.Elem().Kind() == reflect.Struct)) && - typeField.Tag.Get(tagName) != "-" { - var err error - structResult, err = ValidateStruct(valueField.Interface()) - if err != nil { - err = prependPathToErrors(err, typeField.Name) - errs = append(errs, err) - } - } - resultField, err2 := typeCheck(valueField, typeField, val, nil) - if err2 != nil { - - // Replace structure name with JSON name if there is a tag on the variable - jsonTag := toJSONName(typeField.Tag.Get("json")) - if jsonTag != "" { - switch jsonError := err2.(type) { - case Error: - jsonError.Name = jsonTag - err2 = jsonError - case Errors: - for i2, err3 := range jsonError { - switch customErr := err3.(type) { - case Error: - customErr.Name = jsonTag - jsonError[i2] = customErr - } - } - - err2 = jsonError - } - } - - errs = append(errs, err2) - } - result = result && resultField && structResult - } - if len(errs) > 0 { - err = errs - } - return result, err -} - -// ValidateStructAsync performs async validation of the struct and returns results through the channels -func ValidateStructAsync(s interface{}) (<-chan bool, <-chan error) { - res := make(chan bool) - errors := make(chan error) - - go func() { - defer close(res) - defer close(errors) - - isValid, isFailed := ValidateStruct(s) - - res <- isValid - errors <- isFailed - }() - - return res, errors -} - -// ValidateMapAsync performs async validation of the map and returns results through the channels -func ValidateMapAsync(s map[string]interface{}, m map[string]interface{}) (<-chan bool, <-chan error) { - res := make(chan bool) - errors := make(chan error) - - go func() { - defer close(res) - defer close(errors) - - isValid, isFailed := ValidateMap(s, m) - - res <- isValid - errors <- isFailed - }() - - return res, errors -} - -// parseTagIntoMap parses a struct tag `valid:required~Some error message,length(2|3)` into map[string]string{"required": "Some error message", "length(2|3)": ""} -func parseTagIntoMap(tag string) tagOptionsMap { - optionsMap := make(tagOptionsMap) - options := strings.Split(tag, ",") - - for i, option := range options { - option = strings.TrimSpace(option) - - validationOptions := strings.Split(option, "~") - if !isValidTag(validationOptions[0]) { - continue - } - if len(validationOptions) == 2 { - optionsMap[validationOptions[0]] = tagOption{validationOptions[0], validationOptions[1], i} - } else { - optionsMap[validationOptions[0]] = tagOption{validationOptions[0], "", i} - } - } - return optionsMap -} - -func isValidTag(s string) bool { - if s == "" { - return false - } - for _, c := range s { - switch { - case strings.ContainsRune("\\'\"!#$%&()*+-./:<=>?@[]^_{|}~ ", c): - // Backslash and quote chars are reserved, but - // otherwise any punctuation chars are allowed - // in a tag name. - default: - if !unicode.IsLetter(c) && !unicode.IsDigit(c) { - return false - } - } - } - return true -} - -// IsSSN will validate the given string as a U.S. Social Security Number -func IsSSN(str string) bool { - if str == "" || len(str) != 11 { - return false - } - return rxSSN.MatchString(str) -} - -// IsSemver checks if string is valid semantic version -func IsSemver(str string) bool { - return rxSemver.MatchString(str) -} - -// IsType checks 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 checks if string is valid according to given format -func IsTime(str string, format string) bool { - _, err := time.Parse(format, str) - return err == nil -} - -// IsUnixTime checks if string is valid unix timestamp value -func IsUnixTime(str string) bool { - if _, err := strconv.Atoi(str); err == nil { - return true - } - return false -} - -// IsRFC3339 checks if string is valid timestamp value according to RFC3339 -func IsRFC3339(str string) bool { - return IsTime(str, time.RFC3339) -} - -// IsRFC3339WithoutZone checks if string is valid timestamp value according to RFC3339 which excludes the timezone. -func IsRFC3339WithoutZone(str string) bool { - return IsTime(str, rfc3339WithoutZone) -} - -// IsISO4217 checks if string is valid ISO currency code -func IsISO4217(str string) bool { - for _, currency := range ISO4217List { - if str == currency { - return true - } - } - - return false -} - -// ByteLength checks string's length -func ByteLength(str string, params ...string) bool { - if len(params) == 2 { - min, _ := ToInt(params[0]) - max, _ := ToInt(params[1]) - return len(str) >= int(min) && len(str) <= int(max) - } - - return false -} - -// RuneLength checks string's length -// Alias for StringLength -func RuneLength(str string, params ...string) bool { - return StringLength(str, params...) -} - -// IsRsaPub checks whether string is valid RSA key -// Alias for IsRsaPublicKey -func IsRsaPub(str string, params ...string) bool { - if len(params) == 1 { - len, _ := ToInt(params[0]) - return IsRsaPublicKey(str, int(len)) - } - - return false -} - -// StringMatches checks if a string matches a given pattern. -func StringMatches(s string, params ...string) bool { - if len(params) == 1 { - pattern := params[0] - return Matches(s, pattern) - } - return false -} - -// StringLength checks string's length (including multi byte strings) -func StringLength(str string, params ...string) bool { - - if len(params) == 2 { - strLength := utf8.RuneCountInString(str) - min, _ := ToInt(params[0]) - max, _ := ToInt(params[1]) - return strLength >= int(min) && strLength <= int(max) - } - - return false -} - -// MinStringLength checks 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 checks 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 checks string's length -func Range(str string, params ...string) bool { - if len(params) == 2 { - value, _ := ToFloat(str) - min, _ := ToFloat(params[0]) - max, _ := ToFloat(params[1]) - return InRange(value, min, max) - } - - return false -} - -// IsInRaw checks if string is in list of allowed values -func IsInRaw(str string, params ...string) bool { - if len(params) == 1 { - rawParams := params[0] - - parsedParams := strings.Split(rawParams, "|") - - return IsIn(str, parsedParams...) - } - - return false -} - -// IsIn checks if string str is a member of the set of strings params -func IsIn(str string, params ...string) bool { - for _, param := range params { - if str == param { - return true - } - } - - return false -} - -func checkRequired(v reflect.Value, t reflect.StructField, options tagOptionsMap) (bool, error) { - if nilPtrAllowedByRequired { - k := v.Kind() - if (k == reflect.Ptr || k == reflect.Interface) && v.IsNil() { - return true, nil - } - } - - if requiredOption, isRequired := options["required"]; isRequired { - if len(requiredOption.customErrorMessage) > 0 { - return false, Error{t.Name, fmt.Errorf(requiredOption.customErrorMessage), true, "required", []string{}} - } - return false, Error{t.Name, fmt.Errorf("non zero value required"), false, "required", []string{}} - } else if _, isOptional := options["optional"]; fieldsRequiredByDefault && !isOptional { - return false, Error{t.Name, fmt.Errorf("Missing required field"), false, "required", []string{}} - } - // not required and empty is valid - return true, nil -} - -func typeCheck(v reflect.Value, t reflect.StructField, o reflect.Value, options tagOptionsMap) (isValid bool, resultErr error) { - if !v.IsValid() { - return false, nil - } - - tag := t.Tag.Get(tagName) - - // checks if the field should be ignored - switch tag { - case "": - if v.Kind() != reflect.Slice && v.Kind() != reflect.Map { - if !fieldsRequiredByDefault { - return true, nil - } - return false, Error{t.Name, fmt.Errorf("All fields are required to at least have one validation defined"), false, "required", []string{}} - } - case "-": - return true, nil - } - - isRootType := false - if options == nil { - isRootType = true - options = parseTagIntoMap(tag) - } - - if isEmptyValue(v) { - // an empty value is not validated, checks only required - isValid, resultErr = checkRequired(v, t, options) - for key := range options { - delete(options, key) - } - return isValid, resultErr - } - - var customTypeErrors Errors - optionsOrder := options.orderedKeys() - for _, validatorName := range optionsOrder { - validatorStruct := options[validatorName] - if validatefunc, ok := CustomTypeTagMap.Get(validatorName); ok { - delete(options, validatorName) - - if result := validatefunc(v.Interface(), o.Interface()); !result { - if len(validatorStruct.customErrorMessage) > 0 { - customTypeErrors = append(customTypeErrors, Error{Name: t.Name, Err: TruncatingErrorf(validatorStruct.customErrorMessage, fmt.Sprint(v), validatorName), CustomErrorMessageExists: true, Validator: stripParams(validatorName)}) - continue - } - customTypeErrors = append(customTypeErrors, Error{Name: t.Name, Err: fmt.Errorf("%s does not validate as %s", fmt.Sprint(v), validatorName), CustomErrorMessageExists: false, Validator: stripParams(validatorName)}) - } - } - } - - if len(customTypeErrors.Errors()) > 0 { - return false, customTypeErrors - } - - if isRootType { - // Ensure that we've checked the value by all specified validators before report that the value is valid - defer func() { - delete(options, "optional") - delete(options, "required") - - if isValid && resultErr == nil && len(options) != 0 { - optionsOrder := options.orderedKeys() - for _, validator := range optionsOrder { - isValid = false - resultErr = Error{t.Name, fmt.Errorf( - "The following validator is invalid or can't be applied to the field: %q", validator), false, stripParams(validator), []string{}} - return - } - } - }() - } - - for _, validatorSpec := range optionsOrder { - validatorStruct := options[validatorSpec] - var negate bool - validator := validatorSpec - customMsgExists := len(validatorStruct.customErrorMessage) > 0 - - // checks whether the tag looks like '!something' or 'something' - if validator[0] == '!' { - validator = validator[1:] - negate = true - } - - // checks 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, - reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr, - reflect.Float32, reflect.Float64, - reflect.String: - // for each tag option checks the map of validator functions - for _, validatorSpec := range optionsOrder { - validatorStruct := options[validatorSpec] - var negate bool - validator := validatorSpec - customMsgExists := len(validatorStruct.customErrorMessage) > 0 - - // checks whether the tag looks like '!something' or 'something' - if validator[0] == '!' { - validator = validator[1:] - negate = true - } - - // checks for param validators - for key, value := range ParamTagRegexMap { - ps := value.FindStringSubmatch(validator) - if len(ps) == 0 { - continue - } - - validatefunc, ok := ParamTagMap[key] - if !ok { - continue - } - - 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: - - field := fmt.Sprint(v) // make value into string, then validate with regex - if result := validatefunc(field, 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{}} - } - default: - // type not yet supported, fail - return false, Error{t.Name, fmt.Errorf("Validator %s doesn't support kind %s", validator, v.Kind()), false, stripParams(validatorSpec), []string{}} - } - } - - if validatefunc, ok := TagMap[validator]; ok { - 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: - field := fmt.Sprint(v) // make value into string, then validate with regex - if result := validatefunc(field); !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{}} - } - default: - //Not Yet Supported Types (Fail here!) - err := fmt.Errorf("Validator %s doesn't support kind %s for value %v", validator, v.Kind(), v) - return false, Error{t.Name, err, false, stripParams(validatorSpec), []string{}} - } - } - } - return true, nil - case reflect.Map: - if v.Type().Key().Kind() != reflect.String { - return false, &UnsupportedTypeError{v.Type()} - } - var sv stringValues - sv = v.MapKeys() - sort.Sort(sv) - result := true - for i, k := range sv { - var resultItem bool - var err error - if v.MapIndex(k).Kind() != reflect.Struct { - resultItem, err = typeCheck(v.MapIndex(k), t, o, options) - if err != nil { - return false, err - } - } else { - resultItem, err = ValidateStruct(v.MapIndex(k).Interface()) - if err != nil { - err = prependPathToErrors(err, t.Name+"."+sv[i].Interface().(string)) - return false, err - } - } - result = result && resultItem - } - return result, nil - case reflect.Slice, reflect.Array: - result := true - for i := 0; i < v.Len(); i++ { - var resultItem bool - var err error - if v.Index(i).Kind() != reflect.Struct { - resultItem, err = typeCheck(v.Index(i), t, o, options) - if err != nil { - return false, err - } - } else { - resultItem, err = ValidateStruct(v.Index(i).Interface()) - if err != nil { - err = prependPathToErrors(err, t.Name+"."+strconv.Itoa(i)) - return false, err - } - } - result = result && resultItem - } - return result, nil - case reflect.Interface: - // If the value is an interface then encode its element - if v.IsNil() { - return true, nil - } - return ValidateStruct(v.Interface()) - case reflect.Ptr: - // If the value is a pointer then checks its element - if v.IsNil() { - return true, nil - } - return typeCheck(v.Elem(), t, o, options) - case reflect.Struct: - return true, nil - default: - return false, &UnsupportedTypeError{v.Type()} - } -} - -func stripParams(validatorString string) string { - return paramsRegexp.ReplaceAllString(validatorString, "") -} - -// isEmptyValue checks whether value empty or not -func isEmptyValue(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() - } - - return reflect.DeepEqual(v.Interface(), reflect.Zero(v.Type()).Interface()) -} - -// ErrorByField returns error for specified field of the struct -// validated by ValidateStruct or empty string if there are no errors -// or this field doesn't exists or doesn't have any errors. -func ErrorByField(e error, field string) string { - if e == nil { - return "" - } - return ErrorsByField(e)[field] -} - -// ErrorsByField returns map of errors of the struct validated -// by ValidateStruct or empty map if there are no errors. -func ErrorsByField(e error) map[string]string { - m := make(map[string]string) - if e == nil { - return m - } - // prototype for ValidateStruct - - switch e := e.(type) { - case Error: - m[e.Name] = e.Err.Error() - case Errors: - for _, item := range e.Errors() { - n := ErrorsByField(item) - for k, v := range n { - m[k] = v - } - } - } - - return m -} - -// Error returns string equivalent for reflect.Type -func (e *UnsupportedTypeError) Error() string { - return "validator: unsupported type: " + e.Type.String() -} - -func (sv stringValues) Len() int { return len(sv) } -func (sv stringValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] } -func (sv stringValues) Less(i, j int) bool { return sv.get(i) < sv.get(j) } -func (sv stringValues) get(i int) string { return sv[i].String() } - -func IsE164(str string) bool { - return rxE164.MatchString(str) -} |