diff options
Diffstat (limited to 'vendor/github.com/mattermost/mattermost-server/model/utils.go')
| -rw-r--r-- | vendor/github.com/mattermost/mattermost-server/model/utils.go | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/vendor/github.com/mattermost/mattermost-server/model/utils.go b/vendor/github.com/mattermost/mattermost-server/model/utils.go deleted file mode 100644 index 331a1aaa..00000000 --- a/vendor/github.com/mattermost/mattermost-server/model/utils.go +++ /dev/null @@ -1,486 +0,0 @@ -// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved. -// See License.txt for license information. - -package model - -import ( - "bytes" - "crypto/rand" - "encoding/base32" - "encoding/json" - "fmt" - "io" - "io/ioutil" - "net" - "net/http" - "net/mail" - "net/url" - "regexp" - "strconv" - "strings" - "time" - "unicode" - - goi18n "github.com/nicksnyder/go-i18n/i18n" - "github.com/pborman/uuid" -) - -const ( - LOWERCASE_LETTERS = "abcdefghijklmnopqrstuvwxyz" - UPPERCASE_LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" - NUMBERS = "0123456789" - SYMBOLS = " !\"\\#$%&'()*+,-./:;<=>?@[]^_`|~" -) - -type StringInterface map[string]interface{} -type StringMap map[string]string -type StringArray []string - -var translateFunc goi18n.TranslateFunc = nil - -func AppErrorInit(t goi18n.TranslateFunc) { - translateFunc = t -} - -type AppError struct { - Id string `json:"id"` - Message string `json:"message"` // Message to be display to the end user without debugging information - DetailedError string `json:"detailed_error"` // Internal error string to help the developer - RequestId string `json:"request_id,omitempty"` // The RequestId that's also set in the header - StatusCode int `json:"status_code,omitempty"` // The http status code - Where string `json:"-"` // The function where it happened in the form of Struct.Func - IsOAuth bool `json:"is_oauth,omitempty"` // Whether the error is OAuth specific - params map[string]interface{} -} - -func (er *AppError) Error() string { - return er.Where + ": " + er.Message + ", " + er.DetailedError -} - -func (er *AppError) Translate(T goi18n.TranslateFunc) { - if T == nil { - er.Message = er.Id - return - } - - if er.params == nil { - er.Message = T(er.Id) - } else { - er.Message = T(er.Id, er.params) - } -} - -func (er *AppError) SystemMessage(T goi18n.TranslateFunc) string { - if er.params == nil { - return T(er.Id) - } else { - return T(er.Id, er.params) - } -} - -func (er *AppError) ToJson() string { - b, _ := json.Marshal(er) - return string(b) -} - -// AppErrorFromJson will decode the input and return an AppError -func AppErrorFromJson(data io.Reader) *AppError { - str := "" - bytes, rerr := ioutil.ReadAll(data) - if rerr != nil { - str = rerr.Error() - } else { - str = string(bytes) - } - - decoder := json.NewDecoder(strings.NewReader(str)) - var er AppError - err := decoder.Decode(&er) - if err == nil { - return &er - } else { - return NewAppError("AppErrorFromJson", "model.utils.decode_json.app_error", nil, "body: "+str, http.StatusInternalServerError) - } -} - -func NewAppError(where string, id string, params map[string]interface{}, details string, status int) *AppError { - ap := &AppError{} - ap.Id = id - ap.params = params - ap.Message = id - ap.Where = where - ap.DetailedError = details - ap.StatusCode = status - ap.IsOAuth = false - ap.Translate(translateFunc) - return ap -} - -var encoding = base32.NewEncoding("ybndrfg8ejkmcpqxot1uwisza345h769") - -// NewId is a globally unique identifier. It is a [A-Z0-9] string 26 -// characters long. It is a UUID version 4 Guid that is zbased32 encoded -// with the padding stripped off. -func NewId() string { - var b bytes.Buffer - encoder := base32.NewEncoder(encoding, &b) - encoder.Write(uuid.NewRandom()) - encoder.Close() - b.Truncate(26) // removes the '==' padding - return b.String() -} - -func NewRandomString(length int) string { - var b bytes.Buffer - str := make([]byte, length+8) - rand.Read(str) - encoder := base32.NewEncoder(encoding, &b) - encoder.Write(str) - encoder.Close() - b.Truncate(length) // removes the '==' padding - return b.String() -} - -// GetMillis is a convience method to get milliseconds since epoch. -func GetMillis() int64 { - return time.Now().UnixNano() / int64(time.Millisecond) -} - -// MapToJson converts a map to a json string -func MapToJson(objmap map[string]string) string { - b, _ := json.Marshal(objmap) - return string(b) -} - -// MapToJson converts a map to a json string -func MapBoolToJson(objmap map[string]bool) string { - b, _ := json.Marshal(objmap) - return string(b) -} - -// MapFromJson will decode the key/value pair map -func MapFromJson(data io.Reader) map[string]string { - decoder := json.NewDecoder(data) - - var objmap map[string]string - if err := decoder.Decode(&objmap); err != nil { - return make(map[string]string) - } else { - return objmap - } -} - -// MapFromJson will decode the key/value pair map -func MapBoolFromJson(data io.Reader) map[string]bool { - decoder := json.NewDecoder(data) - - var objmap map[string]bool - if err := decoder.Decode(&objmap); err != nil { - return make(map[string]bool) - } else { - return objmap - } -} - -func ArrayToJson(objmap []string) string { - b, _ := json.Marshal(objmap) - return string(b) -} - -func ArrayFromJson(data io.Reader) []string { - decoder := json.NewDecoder(data) - - var objmap []string - if err := decoder.Decode(&objmap); err != nil { - return make([]string, 0) - } else { - return objmap - } -} - -func ArrayFromInterface(data interface{}) []string { - stringArray := []string{} - - dataArray, ok := data.([]interface{}) - if !ok { - return stringArray - } - - for _, v := range dataArray { - if str, ok := v.(string); ok { - stringArray = append(stringArray, str) - } - } - - return stringArray -} - -func StringInterfaceToJson(objmap map[string]interface{}) string { - b, _ := json.Marshal(objmap) - return string(b) -} - -func StringInterfaceFromJson(data io.Reader) map[string]interface{} { - decoder := json.NewDecoder(data) - - var objmap map[string]interface{} - if err := decoder.Decode(&objmap); err != nil { - return make(map[string]interface{}) - } else { - return objmap - } -} - -func StringToJson(s string) string { - b, _ := json.Marshal(s) - return string(b) -} - -func StringFromJson(data io.Reader) string { - decoder := json.NewDecoder(data) - - var s string - if err := decoder.Decode(&s); err != nil { - return "" - } else { - return s - } -} - -func GetServerIpAddress() string { - if addrs, err := net.InterfaceAddrs(); err != nil { - return "" - } else { - for _, addr := range addrs { - - if ip, ok := addr.(*net.IPNet); ok && !ip.IP.IsLoopback() { - if ip.IP.To4() != nil { - return ip.IP.String() - } - } - } - } - - return "" -} - -func IsLower(s string) bool { - return strings.ToLower(s) == s -} - -func IsValidEmail(email string) bool { - - if !IsLower(email) { - return false - } - - if _, err := mail.ParseAddress(email); err == nil { - return true - } - - return false -} - -var reservedName = []string{ - "signup", - "login", - "admin", - "channel", - "post", - "api", - "oauth", -} - -func IsValidChannelIdentifier(s string) bool { - - if !IsValidAlphaNumHyphenUnderscore(s, true) { - return false - } - - if len(s) < CHANNEL_NAME_MIN_LENGTH { - return false - } - - return true -} - -func IsValidAlphaNum(s string) bool { - validAlphaNum := regexp.MustCompile(`^[a-z0-9]+([a-z\-0-9]+|(__)?)[a-z0-9]+$`) - - return validAlphaNum.MatchString(s) -} - -func IsValidAlphaNumHyphenUnderscore(s string, withFormat bool) bool { - if withFormat { - validAlphaNumHyphenUnderscore := regexp.MustCompile(`^[a-z0-9]+([a-z\-\_0-9]+|(__)?)[a-z0-9]+$`) - return validAlphaNumHyphenUnderscore.MatchString(s) - } - - validSimpleAlphaNumHyphenUnderscore := regexp.MustCompile(`^[a-zA-Z0-9\-_]+$`) - return validSimpleAlphaNumHyphenUnderscore.MatchString(s) -} - -func Etag(parts ...interface{}) string { - - etag := CurrentVersion - - for _, part := range parts { - etag += fmt.Sprintf(".%v", part) - } - - return etag -} - -var validHashtag = regexp.MustCompile(`^(#\pL[\pL\d\-_.]*[\pL\d])$`) -var puncStart = regexp.MustCompile(`^[^\pL\d\s#]+`) -var hashtagStart = regexp.MustCompile(`^#{2,}`) -var puncEnd = regexp.MustCompile(`[^\pL\d\s]+$`) - -func ParseHashtags(text string) (string, string) { - words := strings.Fields(text) - - hashtagString := "" - plainString := "" - for _, word := range words { - // trim off surrounding punctuation - word = puncStart.ReplaceAllString(word, "") - word = puncEnd.ReplaceAllString(word, "") - - // and remove extra pound #s - word = hashtagStart.ReplaceAllString(word, "#") - - if validHashtag.MatchString(word) { - hashtagString += " " + word - } else { - plainString += " " + word - } - } - - if len(hashtagString) > 1000 { - hashtagString = hashtagString[:999] - lastSpace := strings.LastIndex(hashtagString, " ") - if lastSpace > -1 { - hashtagString = hashtagString[:lastSpace] - } else { - hashtagString = "" - } - } - - return strings.TrimSpace(hashtagString), strings.TrimSpace(plainString) -} - -func IsFileExtImage(ext string) bool { - ext = strings.ToLower(ext) - for _, imgExt := range IMAGE_EXTENSIONS { - if ext == imgExt { - return true - } - } - return false -} - -func GetImageMimeType(ext string) string { - ext = strings.ToLower(ext) - if len(IMAGE_MIME_TYPES[ext]) == 0 { - return "image" - } else { - return IMAGE_MIME_TYPES[ext] - } -} - -func ClearMentionTags(post string) string { - post = strings.Replace(post, "<mention>", "", -1) - post = strings.Replace(post, "</mention>", "", -1) - return post -} - -var UrlRegex = regexp.MustCompile(`^((?:[a-z]+:\/\/)?(?:(?:[a-z0-9\-]+\.)+(?:[a-z]{2}|aero|arpa|biz|com|coop|edu|gov|info|int|jobs|mil|museum|name|nato|net|org|pro|travel|local|internal))(:[0-9]{1,5})?(?:\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(?:\?[a-z0-9+_~\-\.%=&]*)?)?(?:#[a-zA-Z0-9!$&'()*+.=-_~:@/?]*)?)(?:\s+|$)$`) -var PartialUrlRegex = regexp.MustCompile(`/([A-Za-z0-9]{26})/([A-Za-z0-9]{26})/((?:[A-Za-z0-9]{26})?.+(?:\.[A-Za-z0-9]{3,})?)`) - -func IsValidHttpUrl(rawUrl string) bool { - if strings.Index(rawUrl, "http://") != 0 && strings.Index(rawUrl, "https://") != 0 { - return false - } - - if _, err := url.ParseRequestURI(rawUrl); err != nil { - return false - } - - return true -} - -func IsValidHttpsUrl(rawUrl string) bool { - if strings.Index(rawUrl, "https://") != 0 { - return false - } - - if _, err := url.ParseRequestURI(rawUrl); err != nil { - return false - } - - return true -} - -func IsValidTurnOrStunServer(rawUri string) bool { - if strings.Index(rawUri, "turn:") != 0 && strings.Index(rawUri, "stun:") != 0 { - return false - } - - if _, err := url.ParseRequestURI(rawUri); err != nil { - return false - } - - return true -} - -func IsSafeLink(link *string) bool { - if link != nil { - if IsValidHttpUrl(*link) { - return true - } else if strings.HasPrefix(*link, "/") { - return true - } else { - return false - } - } - - return true -} - -func IsValidWebsocketUrl(rawUrl string) bool { - if strings.Index(rawUrl, "ws://") != 0 && strings.Index(rawUrl, "wss://") != 0 { - return false - } - - if _, err := url.ParseRequestURI(rawUrl); err != nil { - return false - } - - return true -} - -func IsValidTrueOrFalseString(value string) bool { - return value == "true" || value == "false" -} - -func IsValidNumberString(value string) bool { - if _, err := strconv.Atoi(value); err != nil { - return false - } - - return true -} - -func IsValidId(value string) bool { - if len(value) != 26 { - return false - } - - for _, r := range value { - if !unicode.IsLetter(r) && !unicode.IsNumber(r) { - return false - } - } - - return true -} |