109 lines
2.7 KiB
Go
109 lines
2.7 KiB
Go
package handlers
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import (
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"net/http"
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"strings"
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)
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// CollectionType
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type CollectionType string
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const (
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Unknown = CollectionType("")
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Outbox = CollectionType("outbox")
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Inbox = CollectionType("inbox")
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Shares = CollectionType("shares")
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Replies = CollectionType("replies") // activitystreams
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Following = CollectionType("following")
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Followers = CollectionType("followers")
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Liked = CollectionType("liked")
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Likes = CollectionType("likes")
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)
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// Typer is the static package variable that determines a collection type for a particular request
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// It can be overloaded from outside packages.
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// TODO(marius): This should be moved as a property on an instantiable package object, instead of keeping it here
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var Typer CollectionTyper = pathTyper{}
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// CollectionTyper allows external packages to tell us which collection the current HTTP request addresses
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type CollectionTyper interface {
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Type(r *http.Request) CollectionType
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}
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type pathTyper struct{}
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func (d pathTyper) Type(r *http.Request) CollectionType {
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if r.URL == nil || len(r.URL.Path) == 0 {
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return Unknown
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}
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var col string
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pathElements := strings.Split(r.URL.Path[1:], "/") // Skip first /
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for i := len(pathElements) - 1; i >= 0; i-- {
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col = pathElements[i]
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if typ := getValidActivityCollection(col); typ != Unknown {
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return typ
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}
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if typ := getValidObjectCollection(col); typ != Unknown {
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return typ
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}
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}
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return CollectionType(strings.ToLower(col))
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}
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var validActivityCollection = []CollectionType{
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Outbox,
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Inbox,
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Likes,
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Shares,
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Replies, // activitystreams
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}
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func getValidActivityCollection(typ string) CollectionType {
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for _, t := range validActivityCollection {
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if strings.ToLower(typ) == string(t) {
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return t
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}
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}
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return Unknown
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}
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// ValidActivityCollection shows if the current ActivityPub end-point type is a valid one for handling Activities
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func ValidActivityCollection(typ string) bool {
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return getValidActivityCollection(typ) != Unknown
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}
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var validObjectCollection = []CollectionType{
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Following,
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Followers,
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Liked,
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}
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func getValidObjectCollection(typ string) CollectionType {
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for _, t := range validObjectCollection {
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if strings.ToLower(typ) == string(t) {
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return t
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}
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}
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return Unknown
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}
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// ValidActivityCollection shows if the current ActivityPub end-point type is a valid one for handling Objects
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func ValidObjectCollection(typ string) bool {
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return getValidObjectCollection(typ) != Unknown
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}
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func getValidCollection(typ string) CollectionType {
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if typ := getValidActivityCollection(typ); typ != Unknown {
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return typ
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}
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if typ := getValidObjectCollection(typ); typ != Unknown {
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return typ
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}
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return Unknown
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}
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func ValidCollection(typ string) bool {
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return getValidCollection(typ) != Unknown
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}
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