The props map was being null, but the schema did not allow nulls. Therefore, the whole response was being set to null. There was no error which created more confusion. To avoid making the property nillable, which would mean sending pointers to maps, we just create empty maps if they are nil. https://mattermost.atlassian.net/browse/MM-46869 ```release-note NONE ```
766 строки
18 KiB
Go
766 строки
18 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package model
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import (
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"crypto/rand"
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"database/sql/driver"
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"encoding/base32"
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"encoding/json"
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"fmt"
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"io"
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"net"
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"net/http"
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"net/mail"
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"net/url"
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"os"
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"regexp"
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"sort"
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"strings"
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"sync"
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"time"
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"unicode"
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"github.com/mattermost/mattermost-server/v6/shared/i18n"
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"github.com/pborman/uuid"
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"github.com/pkg/errors"
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)
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const (
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LowercaseLetters = "abcdefghijklmnopqrstuvwxyz"
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UppercaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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NUMBERS = "0123456789"
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SYMBOLS = " !\"\\#$%&'()*+,-./:;<=>?@[]^_`|~"
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BinaryParamKey = "MM_BINARY_PARAMETERS"
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NoTranslation = "<untranslated>"
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)
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type StringInterface map[string]any
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type StringArray []string
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func (sa StringArray) Remove(input string) StringArray {
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for index := range sa {
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if sa[index] == input {
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ret := make(StringArray, 0, len(sa)-1)
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ret = append(ret, sa[:index]...)
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return append(ret, sa[index+1:]...)
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}
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}
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return sa
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}
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func (sa StringArray) Contains(input string) bool {
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for index := range sa {
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if sa[index] == input {
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return true
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}
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}
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return false
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}
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func (sa StringArray) Equals(input StringArray) bool {
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if len(sa) != len(input) {
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return false
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}
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for index := range sa {
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if sa[index] != input[index] {
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return false
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}
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}
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return true
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}
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// Value converts StringArray to database value
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func (sa StringArray) Value() (driver.Value, error) {
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j, err := json.Marshal(sa)
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if err != nil {
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return nil, err
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}
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// non utf8 characters are not supported https://mattermost.atlassian.net/browse/MM-41066
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return string(j), err
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}
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// Scan converts database column value to StringArray
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func (sa *StringArray) Scan(value any) error {
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if value == nil {
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return nil
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}
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buf, ok := value.([]byte)
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if ok {
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return json.Unmarshal(buf, sa)
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}
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str, ok := value.(string)
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if ok {
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return json.Unmarshal([]byte(str), sa)
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}
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return errors.New("received value is neither a byte slice nor string")
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}
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// Scan converts database column value to StringMap
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func (m *StringMap) Scan(value any) error {
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if value == nil {
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return nil
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}
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buf, ok := value.([]byte)
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if ok {
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return json.Unmarshal(buf, m)
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}
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str, ok := value.(string)
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if ok {
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return json.Unmarshal([]byte(str), m)
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}
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return errors.New("received value is neither a byte slice nor string")
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}
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// Value converts StringMap to database value
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func (m StringMap) Value() (driver.Value, error) {
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ok := m[BinaryParamKey]
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delete(m, BinaryParamKey)
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buf, err := json.Marshal(m)
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if err != nil {
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return nil, err
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}
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if ok == "true" {
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return append([]byte{0x01}, buf...), nil
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} else if ok == "false" {
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return buf, nil
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}
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// Key wasn't found. We fall back to the default case.
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return string(buf), nil
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}
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func (StringMap) ImplementsGraphQLType(name string) bool {
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return name == "StringMap"
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}
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func (m StringMap) MarshalJSON() ([]byte, error) {
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return json.Marshal((map[string]string)(m))
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}
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func (m *StringMap) UnmarshalGraphQL(input any) error {
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json, ok := input.(map[string]string)
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if !ok {
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return errors.New("wrong type")
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}
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*m = json
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return nil
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}
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func (si *StringInterface) Scan(value any) error {
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if value == nil {
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return nil
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}
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buf, ok := value.([]byte)
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if ok {
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return json.Unmarshal(buf, si)
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}
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str, ok := value.(string)
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if ok {
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return json.Unmarshal([]byte(str), si)
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}
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return errors.New("received value is neither a byte slice nor string")
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}
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// Value converts StringInterface to database value
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func (si StringInterface) Value() (driver.Value, error) {
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j, err := json.Marshal(si)
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if err != nil {
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return nil, err
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}
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// non utf8 characters are not supported https://mattermost.atlassian.net/browse/MM-41066
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return string(j), err
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}
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func (StringInterface) ImplementsGraphQLType(name string) bool {
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return name == "StringInterface"
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}
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func (si StringInterface) MarshalJSON() ([]byte, error) {
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return json.Marshal((map[string]any)(si))
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}
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func (si *StringInterface) UnmarshalGraphQL(input any) error {
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json, ok := input.(map[string]any)
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if !ok {
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return errors.New("wrong type")
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}
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*si = json
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return nil
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}
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var translateFunc i18n.TranslateFunc
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var translateFuncOnce sync.Once
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func AppErrorInit(t i18n.TranslateFunc) {
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translateFuncOnce.Do(func() {
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translateFunc = t
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})
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}
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type AppError struct {
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Id string `json:"id"`
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Message string `json:"message"` // Message to be display to the end user without debugging information
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DetailedError string `json:"detailed_error"` // Internal error string to help the developer
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RequestId string `json:"request_id,omitempty"` // The RequestId that's also set in the header
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StatusCode int `json:"status_code,omitempty"` // The http status code
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Where string `json:"-"` // The function where it happened in the form of Struct.Func
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IsOAuth bool `json:"is_oauth,omitempty"` // Whether the error is OAuth specific
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params map[string]any
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wrapped error
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}
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func (er *AppError) Error() string {
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var sb strings.Builder
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// render the error information
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sb.WriteString(er.Where)
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sb.WriteString(": ")
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sb.WriteString(er.Message)
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// only render the detailed error when it's present
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if er.DetailedError != "" {
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sb.WriteString(", ")
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sb.WriteString(er.DetailedError)
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}
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// render the wrapped error
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err := er.wrapped
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if err != nil {
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sb.WriteString(", ")
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sb.WriteString(err.Error())
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}
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return sb.String()
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}
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func (er *AppError) Translate(T i18n.TranslateFunc) {
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if T == nil {
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er.Message = er.Id
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return
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}
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if er.params == nil {
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er.Message = T(er.Id)
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} else {
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er.Message = T(er.Id, er.params)
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}
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}
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func (er *AppError) SystemMessage(T i18n.TranslateFunc) string {
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if er.params == nil {
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return T(er.Id)
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}
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return T(er.Id, er.params)
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}
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func (er *AppError) ToJSON() string {
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// turn the wrapped error into a detailed message
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detailed := er.DetailedError
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defer func() {
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er.DetailedError = detailed
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}()
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er.wrappedToDetailed()
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b, _ := json.Marshal(er)
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return string(b)
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}
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func (er *AppError) wrappedToDetailed() {
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if er.wrapped == nil {
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return
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}
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if er.DetailedError != "" {
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er.DetailedError += ", "
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}
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er.DetailedError += er.wrapped.Error()
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}
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func (er *AppError) Unwrap() error {
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return er.wrapped
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}
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func (er *AppError) Wrap(err error) *AppError {
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er.wrapped = err
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return er
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}
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// AppErrorFromJSON will decode the input and return an AppError
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func AppErrorFromJSON(data io.Reader) *AppError {
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str := ""
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bytes, rerr := io.ReadAll(data)
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if rerr != nil {
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str = rerr.Error()
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} else {
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str = string(bytes)
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}
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decoder := json.NewDecoder(strings.NewReader(str))
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var er AppError
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err := decoder.Decode(&er)
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if err != nil {
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return NewAppError("AppErrorFromJSON", "model.utils.decode_json.app_error", nil, "body: "+str, http.StatusInternalServerError).Wrap(err)
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}
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return &er
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}
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func NewAppError(where string, id string, params map[string]any, details string, status int) *AppError {
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ap := &AppError{
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Id: id,
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params: params,
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Message: id,
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Where: where,
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DetailedError: details,
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StatusCode: status,
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IsOAuth: false,
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}
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ap.Translate(translateFunc)
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return ap
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}
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var encoding = base32.NewEncoding("ybndrfg8ejkmcpqxot1uwisza345h769").WithPadding(base32.NoPadding)
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// NewId is a globally unique identifier. It is a [A-Z0-9] string 26
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// characters long. It is a UUID version 4 Guid that is zbased32 encoded
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// without the padding.
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func NewId() string {
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return encoding.EncodeToString(uuid.NewRandom())
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}
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// NewRandomTeamName is a NewId that will be a valid team name.
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func NewRandomTeamName() string {
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teamName := NewId()
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for IsReservedTeamName(teamName) {
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teamName = NewId()
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}
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return teamName
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}
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// NewRandomString returns a random string of the given length.
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// The resulting entropy will be (5 * length) bits.
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func NewRandomString(length int) string {
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data := make([]byte, 1+(length*5/8))
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rand.Read(data)
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return encoding.EncodeToString(data)[:length]
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}
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// GetMillis is a convenience method to get milliseconds since epoch.
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func GetMillis() int64 {
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return time.Now().UnixNano() / int64(time.Millisecond)
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}
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// GetMillisForTime is a convenience method to get milliseconds since epoch for provided Time.
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func GetMillisForTime(thisTime time.Time) int64 {
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return thisTime.UnixNano() / int64(time.Millisecond)
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}
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// GetTimeForMillis is a convenience method to get time.Time for milliseconds since epoch.
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func GetTimeForMillis(millis int64) time.Time {
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return time.Unix(0, millis*int64(time.Millisecond))
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}
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// PadDateStringZeros is a convenience method to pad 2 digit date parts with zeros to meet ISO 8601 format
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func PadDateStringZeros(dateString string) string {
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parts := strings.Split(dateString, "-")
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for index, part := range parts {
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if len(part) == 1 {
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parts[index] = "0" + part
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}
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}
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dateString = strings.Join(parts[:], "-")
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return dateString
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}
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// GetStartOfDayMillis is a convenience method to get milliseconds since epoch for provided date's start of day
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func GetStartOfDayMillis(thisTime time.Time, timeZoneOffset int) int64 {
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localSearchTimeZone := time.FixedZone("Local Search Time Zone", timeZoneOffset)
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resultTime := time.Date(thisTime.Year(), thisTime.Month(), thisTime.Day(), 0, 0, 0, 0, localSearchTimeZone)
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return GetMillisForTime(resultTime)
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}
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// GetEndOfDayMillis is a convenience method to get milliseconds since epoch for provided date's end of day
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func GetEndOfDayMillis(thisTime time.Time, timeZoneOffset int) int64 {
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localSearchTimeZone := time.FixedZone("Local Search Time Zone", timeZoneOffset)
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resultTime := time.Date(thisTime.Year(), thisTime.Month(), thisTime.Day(), 23, 59, 59, 999999999, localSearchTimeZone)
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return GetMillisForTime(resultTime)
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}
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func CopyStringMap(originalMap map[string]string) map[string]string {
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copyMap := make(map[string]string, len(originalMap))
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for k, v := range originalMap {
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copyMap[k] = v
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}
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return copyMap
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}
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// MapToJSON converts a map to a json string
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func MapToJSON(objmap map[string]string) string {
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b, _ := json.Marshal(objmap)
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return string(b)
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}
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// MapBoolToJSON converts a map to a json string
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func MapBoolToJSON(objmap map[string]bool) string {
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b, _ := json.Marshal(objmap)
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return string(b)
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}
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// MapFromJSON will decode the key/value pair map
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func MapFromJSON(data io.Reader) map[string]string {
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var objmap map[string]string
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json.NewDecoder(data).Decode(&objmap)
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if objmap == nil {
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return make(map[string]string)
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}
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return objmap
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}
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// MapFromJSON will decode the key/value pair map
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func MapBoolFromJSON(data io.Reader) map[string]bool {
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var objmap map[string]bool
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json.NewDecoder(data).Decode(&objmap)
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if objmap == nil {
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return make(map[string]bool)
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}
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return objmap
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}
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func ArrayToJSON(objmap []string) string {
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b, _ := json.Marshal(objmap)
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return string(b)
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}
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func ArrayFromJSON(data io.Reader) []string {
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var objmap []string
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json.NewDecoder(data).Decode(&objmap)
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if objmap == nil {
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return make([]string, 0)
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}
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return objmap
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}
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func ArrayFromInterface(data any) []string {
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stringArray := []string{}
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dataArray, ok := data.([]any)
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if !ok {
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return stringArray
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}
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for _, v := range dataArray {
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if str, ok := v.(string); ok {
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stringArray = append(stringArray, str)
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}
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}
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return stringArray
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}
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func StringInterfaceToJSON(objmap map[string]any) string {
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b, _ := json.Marshal(objmap)
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return string(b)
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}
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func StringInterfaceFromJSON(data io.Reader) map[string]any {
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var objmap map[string]any
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json.NewDecoder(data).Decode(&objmap)
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if objmap == nil {
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return make(map[string]any)
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}
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return objmap
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}
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// ToJSON serializes an arbitrary data type to JSON, discarding the error.
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func ToJSON(v any) []byte {
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b, _ := json.Marshal(v)
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return b
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}
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func GetServerIPAddress(iface string) string {
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var addrs []net.Addr
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if iface == "" {
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var err error
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addrs, err = net.InterfaceAddrs()
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if err != nil {
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return ""
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}
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} else {
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interfaces, err := net.Interfaces()
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if err != nil {
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return ""
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}
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for _, i := range interfaces {
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if i.Name == iface {
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addrs, err = i.Addrs()
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if err != nil {
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return ""
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}
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break
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}
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}
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}
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for _, addr := range addrs {
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if ip, ok := addr.(*net.IPNet); ok && !ip.IP.IsLoopback() && !ip.IP.IsLinkLocalUnicast() && !ip.IP.IsLinkLocalMulticast() {
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if ip.IP.To4() != nil {
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return ip.IP.String()
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}
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}
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}
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return ""
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}
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|
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func isLower(s string) bool {
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return strings.ToLower(s) == s
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}
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func IsValidEmail(email string) bool {
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if !isLower(email) {
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return false
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}
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if addr, err := mail.ParseAddress(email); err != nil {
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return false
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} else if addr.Name != "" {
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// mail.ParseAddress accepts input of the form "Billy Bob <billy@example.com>" which we don't allow
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return false
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}
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return true
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}
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|
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var reservedName = []string{
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"admin",
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"api",
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"channel",
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"claim",
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"error",
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"files",
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"help",
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"landing",
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"login",
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"mfa",
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"oauth",
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"plug",
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"plugins",
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"post",
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"signup",
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"boards",
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"playbooks",
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}
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|
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func IsValidChannelIdentifier(s string) bool {
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return validSimpleAlphaNum.MatchString(s) && len(s) >= ChannelNameMinLength
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}
|
|
|
|
var (
|
|
validAlphaNum = regexp.MustCompile(`^[a-z0-9]+([a-z\-0-9]+|(__)?)[a-z0-9]+$`)
|
|
validAlphaNumHyphenUnderscore = regexp.MustCompile(`^[a-z0-9]+([a-z\-\_0-9]+|(__)?)[a-z0-9]+$`)
|
|
validSimpleAlphaNum = regexp.MustCompile(`^[a-z0-9]+([a-z\-\_0-9]+|(__)?)[a-z0-9]*$`)
|
|
validSimpleAlphaNumHyphenUnderscore = regexp.MustCompile(`^[a-zA-Z0-9\-_]+$`)
|
|
validSimpleAlphaNumHyphenUnderscorePlus = regexp.MustCompile(`^[a-zA-Z0-9+_-]+$`)
|
|
)
|
|
|
|
func isValidAlphaNum(s string) bool {
|
|
return validAlphaNum.MatchString(s)
|
|
}
|
|
|
|
func IsValidAlphaNumHyphenUnderscore(s string, withFormat bool) bool {
|
|
if withFormat {
|
|
return validAlphaNumHyphenUnderscore.MatchString(s)
|
|
}
|
|
return validSimpleAlphaNumHyphenUnderscore.MatchString(s)
|
|
}
|
|
|
|
func IsValidAlphaNumHyphenUnderscorePlus(s string) bool {
|
|
return validSimpleAlphaNumHyphenUnderscorePlus.MatchString(s)
|
|
}
|
|
|
|
func Etag(parts ...any) string {
|
|
|
|
etag := CurrentVersion
|
|
|
|
for _, part := range parts {
|
|
etag += fmt.Sprintf(".%v", part)
|
|
}
|
|
|
|
return etag
|
|
}
|
|
|
|
var (
|
|
validHashtag = regexp.MustCompile(`^(#\pL[\pL\d\-_.]*[\pL\d])$`)
|
|
puncStart = regexp.MustCompile(`^[^\pL\d\s#]+`)
|
|
hashtagStart = regexp.MustCompile(`^#{2,}`)
|
|
puncEnd = regexp.MustCompile(`[^\pL\d\s]+$`)
|
|
)
|
|
|
|
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 ClearMentionTags(post string) string {
|
|
post = strings.Replace(post, "<mention>", "", -1)
|
|
post = strings.Replace(post, "</mention>", "", -1)
|
|
return post
|
|
}
|
|
|
|
func IsValidHTTPURL(rawURL string) bool {
|
|
if strings.Index(rawURL, "http://") != 0 && strings.Index(rawURL, "https://") != 0 {
|
|
return false
|
|
}
|
|
|
|
if u, err := url.ParseRequestURI(rawURL); err != nil || u.Scheme == "" || u.Host == "" {
|
|
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
|
|
}
|
|
|
|
// RemoveDuplicateStrings does an in-place removal of duplicate strings
|
|
// from the input slice. The original slice gets modified.
|
|
func RemoveDuplicateStrings(in []string) []string {
|
|
// In-place de-dup.
|
|
// Copied from https://github.com/golang/go/wiki/SliceTricks#in-place-deduplicate-comparable
|
|
if len(in) == 0 {
|
|
return in
|
|
}
|
|
sort.Strings(in)
|
|
j := 0
|
|
for i := 1; i < len(in); i++ {
|
|
if in[j] == in[i] {
|
|
continue
|
|
}
|
|
j++
|
|
in[j] = in[i]
|
|
}
|
|
return in[:j+1]
|
|
}
|
|
|
|
func GetPreferredTimezone(timezone StringMap) string {
|
|
if timezone["useAutomaticTimezone"] == "true" {
|
|
return timezone["automaticTimezone"]
|
|
}
|
|
|
|
return timezone["manualTimezone"]
|
|
}
|
|
|
|
// SanitizeUnicode will remove undesirable Unicode characters from a string.
|
|
func SanitizeUnicode(s string) string {
|
|
return strings.Map(filterBlocklist, s)
|
|
}
|
|
|
|
// filterBlocklist returns `r` if it is not in the blocklist, otherwise drop (-1).
|
|
// Blocklist is taken from https://www.w3.org/TR/unicode-xml/#Charlist
|
|
func filterBlocklist(r rune) rune {
|
|
const drop = -1
|
|
switch r {
|
|
case '\u0340', '\u0341': // clones of grave and acute; deprecated in Unicode
|
|
return drop
|
|
case '\u17A3', '\u17D3': // obsolete characters for Khmer; deprecated in Unicode
|
|
return drop
|
|
case '\u2028', '\u2029': // line and paragraph separator
|
|
return drop
|
|
case '\u202A', '\u202B', '\u202C', '\u202D', '\u202E': // BIDI embedding controls
|
|
return drop
|
|
case '\u206A', '\u206B': // activate/inhibit symmetric swapping; deprecated in Unicode
|
|
return drop
|
|
case '\u206C', '\u206D': // activate/inhibit Arabic form shaping; deprecated in Unicode
|
|
return drop
|
|
case '\u206E', '\u206F': // activate/inhibit national digit shapes; deprecated in Unicode
|
|
return drop
|
|
case '\uFFF9', '\uFFFA', '\uFFFB': // interlinear annotation characters
|
|
return drop
|
|
case '\uFEFF': // byte order mark
|
|
return drop
|
|
case '\uFFFC': // object replacement character
|
|
return drop
|
|
}
|
|
|
|
// Scoping for musical notation
|
|
if r >= 0x0001D173 && r <= 0x0001D17A {
|
|
return drop
|
|
}
|
|
|
|
// Language tag code points
|
|
if r >= 0x000E0000 && r <= 0x000E007F {
|
|
return drop
|
|
}
|
|
|
|
return r
|
|
}
|
|
|
|
func IsCloud() bool {
|
|
return os.Getenv("MM_CLOUD_INSTALLATION_ID") != ""
|
|
}
|