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Handle misencoding of login_source cfg in mssql (#16268)
* Handle misencoding of login_source cfg in mssql Unfortunately due a bug in xorm (see https://gitea.com/xorm/xorm/pulls/1957) updating loginsources on MSSQL causes them to become corrupted. (#16252) Whilst waiting for the referenced PR to be merged and to handle the corrupted loginsources correctly we need to add a wrapper to the `FromDB()` methods to look for and ignore the misplaced BOMs that have been added. Fix #16252 Signed-off-by: Andrew Thornton <art27@cantab.net> * Update models/login_source.go
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@ -70,6 +70,17 @@ var (
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_ convert.Conversion = &SSPIConfig{}
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)
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// jsonUnmarshalIgnoreErroneousBOM - due to a bug in xorm (see https://gitea.com/xorm/xorm/pulls/1957) - it's
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// possible that a Blob may gain an unwanted prefix of 0xff 0xfe.
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func jsonUnmarshalIgnoreErroneousBOM(bs []byte, v interface{}) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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err := json.Unmarshal(bs, &v)
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if err != nil && len(bs) > 2 && bs[0] == 0xff && bs[1] == 0xfe {
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err = json.Unmarshal(bs[2:], &v)
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}
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return err
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}
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// LDAPConfig holds configuration for LDAP login source.
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type LDAPConfig struct {
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*ldap.Source
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@ -77,8 +88,7 @@ type LDAPConfig struct {
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// FromDB fills up a LDAPConfig from serialized format.
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func (cfg *LDAPConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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err := json.Unmarshal(bs, &cfg)
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err := jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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if err != nil {
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return err
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}
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@ -119,8 +129,7 @@ type SMTPConfig struct {
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// FromDB fills up an SMTPConfig from serialized format.
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func (cfg *SMTPConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, cfg)
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}
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// ToDB exports an SMTPConfig to a serialized format.
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@ -137,8 +146,7 @@ type PAMConfig struct {
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// FromDB fills up a PAMConfig from serialized format.
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func (cfg *PAMConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, cfg)
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}
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// ToDB exports a PAMConfig to a serialized format.
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@ -159,8 +167,7 @@ type OAuth2Config struct {
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// FromDB fills up an OAuth2Config from serialized format.
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func (cfg *OAuth2Config) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, cfg)
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}
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// ToDB exports an SMTPConfig to a serialized format.
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@ -180,8 +187,7 @@ type SSPIConfig struct {
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// FromDB fills up an SSPIConfig from serialized format.
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func (cfg *SSPIConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, cfg)
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}
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// ToDB exports an SSPIConfig to a serialized format.
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@ -28,8 +28,7 @@ type UnitConfig struct{}
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// FromDB fills up a UnitConfig from serialized format.
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func (cfg *UnitConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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}
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// ToDB exports a UnitConfig to a serialized format.
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@ -45,8 +44,7 @@ type ExternalWikiConfig struct {
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// FromDB fills up a ExternalWikiConfig from serialized format.
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func (cfg *ExternalWikiConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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}
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// ToDB exports a ExternalWikiConfig to a serialized format.
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@ -64,8 +62,7 @@ type ExternalTrackerConfig struct {
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// FromDB fills up a ExternalTrackerConfig from serialized format.
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func (cfg *ExternalTrackerConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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}
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// ToDB exports a ExternalTrackerConfig to a serialized format.
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@ -83,8 +80,7 @@ type IssuesConfig struct {
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// FromDB fills up a IssuesConfig from serialized format.
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func (cfg *IssuesConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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}
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// ToDB exports a IssuesConfig to a serialized format.
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@ -107,8 +103,7 @@ type PullRequestsConfig struct {
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// FromDB fills up a PullRequestsConfig from serialized format.
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func (cfg *PullRequestsConfig) FromDB(bs []byte) error {
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json := jsoniter.ConfigCompatibleWithStandardLibrary
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return json.Unmarshal(bs, &cfg)
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return jsonUnmarshalIgnoreErroneousBOM(bs, &cfg)
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}
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// ToDB exports a PullRequestsConfig to a serialized format.
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