mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-10-30 03:36:16 +00:00
244 lines
7.2 KiB
Go
244 lines
7.2 KiB
Go
package web
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import (
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"git.sr.ht/~bouncepaw/mycomarkup/v5"
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"html/template"
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"log"
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"net/http"
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"github.com/bouncepaw/mycorrhiza/hypview"
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"github.com/bouncepaw/mycorrhiza/mycoopts"
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"github.com/bouncepaw/mycorrhiza/viewutil"
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"git.sr.ht/~bouncepaw/mycomarkup/v5/mycocontext"
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"github.com/gorilla/mux"
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"github.com/bouncepaw/mycorrhiza/hyphae"
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"github.com/bouncepaw/mycorrhiza/l18n"
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"github.com/bouncepaw/mycorrhiza/shroom"
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"github.com/bouncepaw/mycorrhiza/user"
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"github.com/bouncepaw/mycorrhiza/util"
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)
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func initMutators(r *mux.Router) {
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r.PathPrefix("/edit/").HandlerFunc(handlerEdit)
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r.PathPrefix("/rename/").HandlerFunc(handlerRename).Methods("GET", "POST")
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r.PathPrefix("/delete/").HandlerFunc(handlerDelete).Methods("GET", "POST")
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r.PathPrefix("/remove-media/").HandlerFunc(handlerRemoveMedia).Methods("GET", "POST")
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r.PathPrefix("/upload-binary/").HandlerFunc(handlerUploadBinary)
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r.PathPrefix("/upload-text/").HandlerFunc(handlerUploadText)
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}
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/// TODO: this is no longer ridiculous, but is now ugly. Gotta make it at least bearable to look at :-/
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func handlerRemoveMedia(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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h = hyphae.ByName(util.HyphaNameFromRq(rq, "remove-media"))
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meta = viewutil.MetaFrom(w, rq)
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)
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if !u.CanProceed("remove-media") {
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "no rights")
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return
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}
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if rq.Method == "GET" {
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hypview.RemoveMedia(viewutil.MetaFrom(w, rq), h.CanonicalName())
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return
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}
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switch h := h.(type) {
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case *hyphae.EmptyHypha, *hyphae.TextualHypha:
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "no media to remove")
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return
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case *hyphae.MediaHypha:
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if err := shroom.RemoveMedia(u, h); err != nil {
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viewutil.HttpErr(meta, http.StatusInternalServerError, h.CanonicalName(), err.Error())
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return
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}
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}
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http.Redirect(w, rq, "/hypha/"+h.CanonicalName(), http.StatusSeeOther)
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}
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func handlerDelete(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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h = hyphae.ByName(util.HyphaNameFromRq(rq, "delete"))
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meta = viewutil.MetaFrom(w, rq)
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)
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if !u.CanProceed("delete") {
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log.Printf("%s has no rights to delete ‘%s’\n", u.Name, h.CanonicalName())
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "No rights")
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return
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}
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switch h.(type) {
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case *hyphae.EmptyHypha:
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log.Printf("%s tries to delete empty hypha ‘%s’\n", u.Name, h.CanonicalName())
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// TODO: localize
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "Cannot delete an empty hypha")
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return
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}
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if rq.Method == "GET" {
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hypview.DeleteHypha(meta, h.CanonicalName())
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return
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}
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if err := shroom.Delete(u, h.(hyphae.ExistingHypha)); err != nil {
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log.Println(err)
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viewutil.HttpErr(meta, http.StatusInternalServerError, h.CanonicalName(), err.Error())
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return
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}
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http.Redirect(w, rq, "/hypha/"+h.CanonicalName(), http.StatusSeeOther)
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}
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func handlerRename(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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h = hyphae.ByName(util.HyphaNameFromRq(rq, "rename"))
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meta = viewutil.MetaFrom(w, rq)
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)
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switch h.(type) {
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case *hyphae.EmptyHypha:
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log.Printf("%s tries to rename empty hypha ‘%s’", u.Name, h.CanonicalName())
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "Cannot rename an empty hypha") // TODO: localize
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return
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}
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if !u.CanProceed("rename") {
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log.Printf("%s has no rights to rename ‘%s’\n", u.Name, h.CanonicalName())
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viewutil.HttpErr(meta, http.StatusForbidden, h.CanonicalName(), "No rights")
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return
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}
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var (
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oldHypha = h.(hyphae.ExistingHypha)
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newName = util.CanonicalName(rq.PostFormValue("new-name"))
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recursive = rq.PostFormValue("recursive") == "true"
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leaveRedirections = rq.PostFormValue("redirection") == "true"
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)
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if rq.Method == "GET" {
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hypview.RenameHypha(meta, h.CanonicalName())
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return
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}
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if err := shroom.Rename(oldHypha, newName, recursive, leaveRedirections, u); err != nil {
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log.Printf("%s tries to rename ‘%s’: %s", u.Name, oldHypha.CanonicalName(), err.Error())
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viewutil.HttpErr(meta, http.StatusForbidden, oldHypha.CanonicalName(), lc.Get(err.Error())) // TODO: localize
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return
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}
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http.Redirect(w, rq, "/hypha/"+newName, http.StatusSeeOther)
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}
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// handlerEdit shows the edit form. It doesn't edit anything actually.
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func handlerEdit(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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meta = viewutil.MetaFrom(w, rq)
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hyphaName = util.HyphaNameFromRq(rq, "edit")
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h = hyphae.ByName(hyphaName)
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isNew bool
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content string
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err error
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)
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if err := shroom.CanEdit(u, h, lc); err != nil {
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viewutil.HttpErr(meta, http.StatusInternalServerError, hyphaName, err.Error())
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return
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}
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switch h.(type) {
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case *hyphae.EmptyHypha:
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isNew = true
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default:
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content, err = hyphae.FetchMycomarkupFile(h)
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if err != nil {
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log.Println(err)
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viewutil.HttpErr(meta, http.StatusInternalServerError, hyphaName, lc.Get("ui.error_text_fetch"))
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return
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}
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}
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hypview.EditHypha(meta, hyphaName, isNew, content, "", "")
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}
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// handlerUploadText uploads a new text part for the hypha.
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func handlerUploadText(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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meta = viewutil.MetaFrom(w, rq)
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hyphaName = util.HyphaNameFromRq(rq, "upload-text")
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h = hyphae.ByName(hyphaName)
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_, isNew = h.(*hyphae.EmptyHypha)
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textData = rq.PostFormValue("text")
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action = rq.PostFormValue("action")
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message = rq.PostFormValue("message")
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)
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if action == "preview" {
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ctx, _ := mycocontext.ContextFromStringInput(textData, mycoopts.MarkupOptions(hyphaName))
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preview := template.HTML(mycomarkup.BlocksToHTML(ctx, mycomarkup.BlockTree(ctx)))
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hypview.EditHypha(meta, hyphaName, isNew, textData, message, preview)
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return
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}
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if err := shroom.UploadText(h, []byte(textData), message, u); err != nil {
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viewutil.HttpErr(meta, http.StatusForbidden, hyphaName, err.Error())
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return
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}
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http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther)
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}
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// handlerUploadBinary uploads a new media for the hypha.
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func handlerUploadBinary(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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rq.ParseMultipartForm(10 << 20) // Set upload limit
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var (
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hyphaName = util.HyphaNameFromRq(rq, "upload-binary")
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h = hyphae.ByName(hyphaName)
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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file, handler, err = rq.FormFile("binary")
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meta = viewutil.MetaFrom(w, rq)
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)
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if err != nil {
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viewutil.HttpErr(meta, http.StatusInternalServerError, hyphaName, err.Error())
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}
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if err := shroom.CanAttach(u, h, lc); err != nil {
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viewutil.HttpErr(meta, http.StatusInternalServerError, hyphaName, err.Error())
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}
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// If file is not passed:
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if err != nil {
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return
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}
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// If file is passed:
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if file != nil {
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defer file.Close()
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}
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var (
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mime = handler.Header.Get("Content-Type")
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)
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if err := shroom.UploadBinary(h, mime, file, u); err != nil {
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viewutil.HttpErr(meta, http.StatusInternalServerError, hyphaName, err.Error())
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return
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}
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http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther)
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}
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