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tsmethurst 2021-05-24 15:50:20 +02:00
commit 5219a7b9e7
5 changed files with 69 additions and 5 deletions
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13
internal/util/regexes.go
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@ -85,13 +85,18 @@ var (
// followingPathRegex parses a path that validates and captures the username part from eg /users/example_username/following
followingPathRegex = regexp.MustCompile(followingPathRegexString)
likedPathRegexString = fmt.Sprintf(`^/?%s/%s/%s$`, UsersPath, usernameRegexString, LikedPath)
// followingPathRegex parses a path that validates and captures the username part from eg /users/example_username/liked
likedPathRegex = regexp.MustCompile(likedPathRegexString)
// see https://ihateregex.io/expr/uuid/
uuidRegexString = `[0-9a-fA-F]{8}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{4}\b-[0-9a-fA-F]{12}`
likedPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s$`, UsersPath, usernameRegexString, LikedPath)
// likedPathRegex parses a path that validates and captures the username part from eg /users/example_username/liked
likedPathRegex = regexp.MustCompile(likedPathRegexString)
likePathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s/(%s)$`, UsersPath, usernameRegexString, LikedPath, uuidRegexString)
// likePathRegex parses a path that validates and captures the username part and the uuid part
// from eg /users/example_username/liked/123e4567-e89b-12d3-a456-426655440000.
likePathRegex = regexp.MustCompile(likePathRegexString)
statusesPathRegexString = fmt.Sprintf(`^/?%s/(%s)/%s/(%s)$`, UsersPath, usernameRegexString, StatusesPath, uuidRegexString)
// statusesPathRegex parses a path that validates and captures the username part and the uuid part
// from eg /users/example_username/statuses/123e4567-e89b-12d3-a456-426655440000.

23
internal/util/uri.go
View file

@ -113,6 +113,12 @@ func GenerateURIForFollow(username string, protocol string, host string) string
return fmt.Sprintf("%s://%s/%s/%s/%s", protocol, host, UsersPath, FollowPath, uuid.NewString())
}
// GenerateURIForFollow returns the AP URI for a new like/fave -- something like:
// https://example.org/users/whatever_user/liked/41c7f33f-1060-48d9-84df-38dcb13cf0d8
func GenerateURIForLike(username string, protocol string, host string) string {
return fmt.Sprintf("%s://%s/%s/%s/%s", protocol, host, UsersPath, LikedPath, uuid.NewString())
}
// GenerateURIsForAccount throws together a bunch of URIs for the given username, with the given protocol and host.
func GenerateURIsForAccount(username string, protocol string, host string) *UserURIs {
// The below URLs are used for serving web requests
@ -183,6 +189,11 @@ func IsLikedPath(id *url.URL) bool {
return likedPathRegex.MatchString(strings.ToLower(id.Path))
}
// IsLikedPath returns true if the given URL path corresponds to eg /users/example_username/liked/SOME_UUID_OF_A_STATUS
func IsLikePath(id *url.URL) bool {
return likePathRegex.MatchString(strings.ToLower(id.Path))
}
// IsStatusesPath returns true if the given URL path corresponds to eg /users/example_username/statuses/SOME_UUID_OF_A_STATUS
func IsStatusesPath(id *url.URL) bool {
return statusesPathRegex.MatchString(strings.ToLower(id.Path))
@ -254,3 +265,15 @@ func ParseFollowingPath(id *url.URL) (username string, err error) {
username = matches[1]
return
}
// ParseLikedPath returns the username and uuid from a path such as /users/example_username/liked/SOME_UUID_OF_A_STATUS
func ParseLikedPath(id *url.URL) (username string, uuid string, err error) {
matches := likePathRegex.FindStringSubmatch(id.Path)
if len(matches) != 3 {
err = fmt.Errorf("expected 3 matches but matches length was %d", len(matches))
return
}
username = matches[1]
uuid = matches[2]
return
}