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Split ConfigLoad a bit more

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This commit is contained in:
Frank Denis 2018-01-31 08:32:44 +01:00
parent 16fc6b74e9
commit 5e8925523f
1 changed files with 52 additions and 45 deletions
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97
dnscrypt-proxy/config.go
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@ -237,51 +237,8 @@ func (config *Config) loadSources(proxy *Proxy) error {
requiredProps |= ServerInformalPropertyNoFilter
}
for cfgSourceName, cfgSource := range config.SourcesConfig {
if cfgSource.URL == "" {
return fmt.Errorf("Missing URL for source [%s]", cfgSourceName)
}
if cfgSource.MinisignKeyStr == "" {
return fmt.Errorf("Missing Minisign key for source [%s]", cfgSourceName)
}
if cfgSource.CacheFile == "" {
return fmt.Errorf("Missing cache file for source [%s]", cfgSourceName)
}
if cfgSource.FormatStr == "" {
return fmt.Errorf("Missing format for source [%s]", cfgSourceName)
}
if cfgSource.RefreshDelay <= 0 {
cfgSource.RefreshDelay = 24
}
source, sourceUrlsToPrefetch, err := NewSource(proxy.xTransport, cfgSource.URL, cfgSource.MinisignKeyStr, cfgSource.CacheFile, cfgSource.FormatStr, time.Duration(cfgSource.RefreshDelay)*time.Hour)
proxy.urlsToPrefetch = append(proxy.urlsToPrefetch, sourceUrlsToPrefetch...)
if err != nil {
dlog.Criticalf("Unable use source [%s]: [%s]", cfgSourceName, err)
continue
}
registeredServers, err := source.Parse(cfgSource.Prefix)
if err != nil {
dlog.Criticalf("Unable use source [%s]: [%s]", cfgSourceName, err)
continue
}
for _, registeredServer := range registeredServers {
if len(config.ServerNames) > 0 {
if !includesName(config.ServerNames, registeredServer.name) {
continue
}
} else if registeredServer.stamp.props&requiredProps != requiredProps {
continue
}
if config.SourceIPv4 || config.SourceIPv6 {
isIPv4, isIPv6 := true, false
if strings.HasPrefix(registeredServer.stamp.serverAddrStr, "[") {
isIPv4, isIPv6 = false, true
}
if !(config.SourceIPv4 == isIPv4 || config.SourceIPv6 == isIPv6) {
continue
}
}
dlog.Debugf("Adding [%s] to the set of wanted resolvers", registeredServer.name)
proxy.registeredServers = append(proxy.registeredServers, registeredServer)
if err := config.loadSource(proxy, requiredProps, &cfgSourceName, &cfgSource); err != nil {
return err
}
}
if len(config.ServerNames) == 0 {
@ -308,6 +265,56 @@ func (config *Config) loadSources(proxy *Proxy) error {
return nil
}
func (config *Config) loadSource(proxy *Proxy, requiredProps ServerInformalProperties, cfgSourceName *string, cfgSource *SourceConfig) error {
if cfgSource.URL == "" {
return fmt.Errorf("Missing URL for source [%s]", cfgSourceName)
}
if cfgSource.MinisignKeyStr == "" {
return fmt.Errorf("Missing Minisign key for source [%s]", cfgSourceName)
}
if cfgSource.CacheFile == "" {
return fmt.Errorf("Missing cache file for source [%s]", cfgSourceName)
}
if cfgSource.FormatStr == "" {
return fmt.Errorf("Missing format for source [%s]", cfgSourceName)
}
if cfgSource.RefreshDelay <= 0 {
cfgSource.RefreshDelay = 24
}
source, sourceUrlsToPrefetch, err := NewSource(proxy.xTransport, cfgSource.URL, cfgSource.MinisignKeyStr, cfgSource.CacheFile, cfgSource.FormatStr, time.Duration(cfgSource.RefreshDelay)*time.Hour)
proxy.urlsToPrefetch = append(proxy.urlsToPrefetch, sourceUrlsToPrefetch...)
if err != nil {
dlog.Criticalf("Unable use source [%s]: [%s]", cfgSourceName, err)
return nil
}
registeredServers, err := source.Parse(cfgSource.Prefix)
if err != nil {
dlog.Criticalf("Unable use source [%s]: [%s]", cfgSourceName, err)
return nil
}
for _, registeredServer := range registeredServers {
if len(config.ServerNames) > 0 {
if !includesName(config.ServerNames, registeredServer.name) {
continue
}
} else if registeredServer.stamp.props&requiredProps != requiredProps {
return nil
}
if config.SourceIPv4 || config.SourceIPv6 {
isIPv4, isIPv6 := true, false
if strings.HasPrefix(registeredServer.stamp.serverAddrStr, "[") {
isIPv4, isIPv6 = false, true
}
if !(config.SourceIPv4 == isIPv4 || config.SourceIPv6 == isIPv6) {
continue
}
}
dlog.Debugf("Adding [%s] to the set of wanted resolvers", registeredServer.name)
proxy.registeredServers = append(proxy.registeredServers, registeredServer)
}
return nil
}
func includesName(names []string, name string) bool {
for _, found := range names {
if strings.EqualFold(found, name) {