mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-11-24 08:57:03 -05:00
120 lines
2.5 KiB
Go
120 lines
2.5 KiB
Go
package activitypub
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import (
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"fmt"
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"net/url"
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"strconv"
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"strings"
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"code.gitea.io/gitea/modules/forgefed"
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)
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type Validatable interface { // ToDo: What is the right package for this interface?
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validate_is_not_nil() error
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validate_is_not_empty() error
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Validate() error
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IsValid() (bool, error)
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PanicIfInvalid()
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}
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type ActorID struct {
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userId string
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source forgefed.SourceType
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schema string
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path string
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host string
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port string // optional
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}
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// ToDo: validate_is_not_empty maybe not as an extra method
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func (a ActorID) validate_is_not_empty(str string, field string) error {
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if str == "" {
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return fmt.Errorf("field %v was empty", field)
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}
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return nil
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}
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/*
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Validate collects error strings, concatenates and returns them
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*/
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func (a ActorID) Validate() []string {
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err := make([]string, 0, 3) // ToDo: Solve this dynamically
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if res := a.validate_is_not_empty(a.schema, "schema"); res != nil {
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err = append(err, res.Error())
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}
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if res := a.validate_is_not_empty(a.host, "host"); res != nil {
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err = append(err, res.Error())
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}
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switch a.source {
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case "forgejo", "gitea":
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if !strings.Contains(a.path, "api/v1/activitypub/user-id") {
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err = append(err, fmt.Errorf("the Path to the API was invalid: %v", a.path).Error())
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}
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default:
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err = append(err, fmt.Errorf("currently only forgeo and gitea sources are allowed from actor id").Error())
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}
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return err
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}
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func (a ActorID) IsValid() (bool, error) {
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if err := a.Validate(); len(err) > 0 {
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errString := strings.Join(err, "\n")
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return false, fmt.Errorf(errString)
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}
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return true, nil
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}
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func (a ActorID) PanicIfInvalid() {
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if valid, err := a.IsValid(); !valid {
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panic(err)
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}
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}
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func (a ActorID) GetUserId() int {
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result, err := strconv.Atoi(a.userId)
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if err != nil {
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panic(err)
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}
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return result
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}
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// Returns the combination of host:port if port exists, host otherwise
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func (a ActorID) GetHostAndPort() string {
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if a.port != "" {
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return strings.Join([]string{a.host, a.port}, ":")
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}
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return a.host
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}
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func ParseActorFromStarActivity(star *forgefed.Star) (ActorID, error) {
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u, err := url.Parse(star.Actor.GetID().String())
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// check if userID IRI is well formed url
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if err != nil {
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return ActorID{}, fmt.Errorf("the actor ID was not a valid IRI: %v", err)
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}
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pathWithUserID := strings.Split(u.Path, "/")
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userId := pathWithUserID[len(pathWithUserID)-1]
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return ActorID{ // ToDo: maybe keep original input to validate against (maybe extra method)
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userId: userId,
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source: star.Source,
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schema: u.Scheme,
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host: u.Host,
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path: u.Path,
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port: u.Port(),
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}, nil
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}
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