mirror of
https://github.com/opencloud-eu/opencloud.git
synced 2026-02-19 23:51:05 -05:00
4f1aca6d90
This works the previous commits so that clients can add an addtional 'platform' query parameter to the webfinger request that can be used to query the oidc client id and list of scopes that the clients need to use when connecting to the IDP. This also removes the non-standard issuer relatation introduced in a previous commit as we can just introduce new relations in the http://openid.net name space. For IDP like Authentik that create a separate issuer url per Client (Application in Authentik's terms) it is suggested to just configure as single Client and use that id for all platforms (i.e. setting 'WEBFINGER_ANDROID_OIDC_CLIENT_ID', 'WEBFINGER_DESKTOP_OIDC_CLIENT_ID', 'WEBFINGER_IOS_OIDC_CLIENT_ID' and 'WEBFINGER_WEB_OIDC_CLIENT_ID' to same value. Related: #2088 Related: https://github.com/opencloud-eu/desktop/issues/246
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package relations
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import (
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"context"
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"net/url"
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"regexp"
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"strings"
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"text/template"
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"github.com/opencloud-eu/opencloud/pkg/oidc"
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"github.com/opencloud-eu/opencloud/services/webfinger/pkg/config"
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"github.com/opencloud-eu/opencloud/services/webfinger/pkg/service/v0"
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"github.com/opencloud-eu/opencloud/services/webfinger/pkg/webfinger"
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)
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const (
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OpenCloudInstanceRel = "http://webfinger.opencloud/rel/server-instance"
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)
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type compiledInstance struct {
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config.Instance
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compiledRegex *regexp.Regexp
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hrefTemplate *template.Template
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}
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type openCloudInstance struct {
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instances []compiledInstance
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openCloudURL string
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instanceHost string
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}
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// OpenCloudInstance adds one or more OpenCloud instance relations
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func OpenCloudInstance(instances []config.Instance, openCloudURL string) (service.RelationProvider, error) {
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compiledInstances := make([]compiledInstance, 0, len(instances))
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var err error
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for _, instance := range instances {
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compiled := compiledInstance{Instance: instance}
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compiled.compiledRegex, err = regexp.Compile(instance.Regex)
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if err != nil {
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return nil, err
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}
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compiled.hrefTemplate, err = template.New(instance.Claim + ":" + instance.Regex + ":" + instance.Href).Parse(instance.Href)
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if err != nil {
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return nil, err
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}
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compiledInstances = append(compiledInstances, compiled)
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}
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u, err := url.Parse(openCloudURL)
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if err != nil {
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return nil, err
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}
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return &openCloudInstance{
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instances: compiledInstances,
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openCloudURL: openCloudURL,
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instanceHost: u.Host + u.Path,
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}, nil
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}
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func (l *openCloudInstance) Add(ctx context.Context, _ string, jrd *webfinger.JSONResourceDescriptor) {
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if jrd == nil {
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jrd = &webfinger.JSONResourceDescriptor{}
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}
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if claims := oidc.FromContext(ctx); claims != nil {
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if value, ok := claims[oidc.PreferredUsername].(string); ok {
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jrd.Subject = "acct:" + value + "@" + l.instanceHost
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} else if value, ok := claims[oidc.Email].(string); ok {
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jrd.Subject = "mailto:" + value
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}
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// allow referencing OC_URL in the template
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claims["OC_URL"] = l.openCloudURL
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for _, instance := range l.instances {
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if value, ok := claims[instance.Claim].(string); ok && instance.compiledRegex.MatchString(value) {
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var tmplWriter strings.Builder
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instance.hrefTemplate.Execute(&tmplWriter, claims)
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jrd.Links = append(jrd.Links, webfinger.Link{
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Rel: OpenCloudInstanceRel,
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Href: tmplWriter.String(),
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Titles: instance.Titles,
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})
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if instance.Break {
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break
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}
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}
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}
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}
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}
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