104 lines
3.2 KiB
Go
104 lines
3.2 KiB
Go
package tls
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import (
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"crypto/tls"
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"fmt"
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"strings"
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"github.com/containous/traefik/log"
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"github.com/sirupsen/logrus"
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)
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const (
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certificateHeader = "-----BEGIN CERTIFICATE-----\n"
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)
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// ClientCA defines traefik CA files for a entryPoint
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// and it indicates if they are mandatory or have just to be analyzed if provided
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type ClientCA struct {
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Files []string
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Optional bool
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}
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// TLS configures TLS for an entry point
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type TLS struct {
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MinVersion string `export:"true"`
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CipherSuites []string
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Certificates Certificates
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ClientCAFiles []string // Deprecated
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ClientCA ClientCA
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}
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// RootCAs hold the CA we want to have in root
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type RootCAs []FileOrContent
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// Configuration allows mapping a TLS certificate to a list of entrypoints
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type Configuration struct {
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EntryPoints []string
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Certificate *Certificate
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}
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// String is the method to format the flag's value, part of the flag.Value interface.
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// The String method's output will be used in diagnostics.
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func (r *RootCAs) String() string {
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sliceOfString := make([]string, len([]FileOrContent(*r)))
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for key, value := range *r {
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sliceOfString[key] = value.String()
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}
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return strings.Join(sliceOfString, ",")
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}
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// Set is the method to set the flag value, part of the flag.Value interface.
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// Set's argument is a string to be parsed to set the flag.
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// It's a comma-separated list, so we split it.
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func (r *RootCAs) Set(value string) error {
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rootCAs := strings.Split(value, ",")
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if len(rootCAs) == 0 {
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return fmt.Errorf("bad RootCAs format: %s", value)
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}
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for _, rootCA := range rootCAs {
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*r = append(*r, FileOrContent(rootCA))
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}
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return nil
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}
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// Get return the RootCAs list
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func (r *RootCAs) Get() interface{} {
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return *r
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}
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// SetValue sets the RootCAs with val
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func (r *RootCAs) SetValue(val interface{}) {
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*r = val.(RootCAs)
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}
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// Type is type of the struct
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func (r *RootCAs) Type() string {
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return "rootcas"
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}
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// SortTLSPerEntryPoints converts TLS configuration sorted by Certificates into TLS configuration sorted by EntryPoints
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func SortTLSPerEntryPoints(configurations []*Configuration, epConfiguration map[string]map[string]*tls.Certificate, defaultEntryPoints []string) error {
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if epConfiguration == nil {
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epConfiguration = make(map[string]map[string]*tls.Certificate)
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}
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for _, conf := range configurations {
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if conf.EntryPoints == nil || len(conf.EntryPoints) == 0 {
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if log.GetLevel() >= logrus.DebugLevel {
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certName := conf.Certificate.CertFile.String()
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// Truncate certificate information only if it's a well formed certificate content with more than 50 characters
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if !conf.Certificate.CertFile.IsPath() && strings.HasPrefix(conf.Certificate.CertFile.String(), certificateHeader) && len(conf.Certificate.CertFile.String()) > len(certificateHeader)+50 {
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certName = strings.TrimPrefix(conf.Certificate.CertFile.String(), certificateHeader)[:50]
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}
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log.Debugf("No entryPoint is defined to add the certificate %s, it will be added to the default entryPoints: %s", certName, strings.Join(defaultEntryPoints, ", "))
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}
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conf.EntryPoints = append(conf.EntryPoints, defaultEntryPoints...)
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}
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for _, ep := range conf.EntryPoints {
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if err := conf.Certificate.AppendCertificates(epConfiguration, ep); err != nil {
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return err
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}
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}
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}
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return nil
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}
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