func (sh *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
handlers := getHandler
switch {
case httputil.IsGet(req):
// use default from above
case req.Method == "POST":
handlers = postHandler
default:
handlers = nil
}
fn := handlers[strings.TrimPrefix(suffix, "camli/search/")]
if fn != nil {
fn(sh, rw, req)
return
}
// TODO: discovery for the endpoints & better error message with link to discovery info
ret := camtypes.SearchErrorResponse{
Error: "Unsupported search path or method",
ErrorType: "input",
}
httputil.ReturnJSON(rw, &ret)
}
func wantsClosure(req *http.Request) bool {
if req.Method == "GET" {
suffix := httputil.PathSuffix(req)
return closurePattern.MatchString(suffix)
}
return false
}
func getSuffixMatches(req *http.Request, pattern *regexp.Regexp) bool {
if httputil.IsGet(req) {
suffix := httputil.PathSuffix(req)
return pattern.MatchString(suffix)
}
return false
}
func (h *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
base := httputil.PathBase(req)
subPath := httputil.PathSuffix(req)
switch req.Method {
case "GET", "HEAD":
switch subPath {
case "":
http.Redirect(rw, req, base+"camli/sig/discovery", http.StatusFound)
return
case h.pubKeyBlobRefServeSuffix:
h.pubKeyHandler.ServeHTTP(rw, req)
return
case "camli/sig/sign":
fallthrough
case "camli/sig/verify":
http.Error(rw, "POST required", 400)
return
case "camli/sig/discovery":
httputil.ReturnJSON(rw, h.DiscoveryMap(base))
return
}
case "POST":
switch subPath {
case "camli/sig/sign":
h.handleSign(rw, req)
return
case "camli/sig/verify":
h.handleVerify(rw, req)
return
}
}
http.Error(rw, "Unsupported path or method.", http.StatusBadRequest)
}
func (ui *UIHandler) serveDownload(rw http.ResponseWriter, req *http.Request) {
if ui.root.Storage == nil {
http.Error(rw, "No BlobRoot configured", 500)
return
}
suffix := httputil.PathSuffix(req)
m := downloadPattern.FindStringSubmatch(suffix)
if m == nil {
httputil.ErrorRouting(rw, req)
return
}
fbr, ok := blob.Parse(m[1])
if !ok {
http.Error(rw, "Invalid blobref", 400)
return
}
dh := &DownloadHandler{
Fetcher: ui.root.Storage,
Cache: ui.Cache,
}
dh.ServeHTTP(rw, req, fbr)
}
func wantsClosure(req *http.Request) bool {
if httputil.IsGet(req) {
suffix := httputil.PathSuffix(req)
return closurePattern.MatchString(suffix)
}
return false
}
func (ui *UIHandler) serveFileTree(rw http.ResponseWriter, req *http.Request) {
if ui.root.Storage == nil {
http.Error(rw, "No BlobRoot configured", 500)
return
}
suffix := httputil.PathSuffix(req)
m := treePattern.FindStringSubmatch(suffix)
if m == nil {
httputil.ErrorRouting(rw, req)
return
}
blobref, ok := blob.Parse(m[1])
if !ok {
http.Error(rw, "Invalid blobref", 400)
return
}
fth := &FileTreeHandler{
Fetcher: ui.root.Storage,
file: blobref,
}
fth.ServeHTTP(rw, req)
}
// ServeHTTP serves:
// http://host/importer/
// http://host/importer/twitter/
// http://host/importer/twitter/callback
// http://host/importer/twitter/sha1-abcabcabcabcabc (single account)
func (h *Host) ServeHTTP(w http.ResponseWriter, r *http.Request) {
suffix := httputil.PathSuffix(r)
seg := strings.Split(suffix, "/")
if suffix == "" || len(seg) == 0 {
h.serveImportersRoot(w, r)
return
}
impName := seg[0]
imp, ok := h.imp[impName]
if !ok {
http.NotFound(w, r)
return
}
if len(seg) == 1 || seg[1] == "" {
h.serveImporter(w, r, imp)
return
}
if seg[1] == "callback" {
h.serveImporterAcctCallback(w, r, imp)
return
}
acctRef, ok := blob.Parse(seg[1])
if !ok {
http.NotFound(w, r)
return
}
h.serveImporterAccount(w, r, imp, acctRef)
}
func (h *shareHandler) serveHTTP(rw http.ResponseWriter, req *http.Request) error {
var err error
pathSuffix := httputil.PathSuffix(req)
if len(pathSuffix) == 0 {
// This happens during testing because we don't go through PrefixHandler
pathSuffix = strings.TrimLeft(req.URL.Path, "/")
}
pathParts := strings.SplitN(pathSuffix, "/", 2)
blobRef, ok := blob.Parse(pathParts[0])
if !ok {
err = &shareError{code: invalidURL, response: badRequest,
message: fmt.Sprintf("Malformed share pathSuffix: %s", pathSuffix)}
} else {
err = handleGetViaSharing(rw, req, blobRef, h.fetcher)
}
if se, ok := err.(*shareError); ok {
switch se.response {
case badRequest:
httputil.BadRequestError(rw, err.Error())
case unauthorizedRequest:
log.Print(err)
auth.SendUnauthorized(rw, req)
}
}
return err
}
func (h *shareHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
blobRef, ok := blob.Parse(httputil.PathSuffix(req))
if !ok {
http.Error(rw, "Malformed share URL.", 400)
return
}
handleGetViaSharing(rw, req, blobRef, h.fetcher)
}
func (h *shareHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
pathSuffix := httputil.PathSuffix(req)
pathParts := strings.SplitN(pathSuffix, "/", 2)
blobRef, ok := blob.Parse(pathParts[0])
if !ok {
http.Error(rw, fmt.Sprintf("Malformed share pathSuffix: %s", pathSuffix), 400)
return
}
handleGetViaSharing(rw, req, blobRef, h.fetcher)
}
func (ui *UIHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
rw.Header().Set("Vary", "Accept")
switch {
case wantsDiscovery(req):
ui.root.serveDiscovery(rw, req)
case wantsUploadHelper(req):
ui.serveUploadHelper(rw, req)
case strings.HasPrefix(suffix, "download/"):
ui.serveDownload(rw, req)
case strings.HasPrefix(suffix, "thumbnail/"):
ui.serveThumbnail(rw, req)
case strings.HasPrefix(suffix, "tree/"):
ui.serveFileTree(rw, req)
case strings.HasPrefix(suffix, "qr/"):
ui.serveQR(rw, req)
case getSuffixMatches(req, closurePattern):
ui.serveClosure(rw, req)
case getSuffixMatches(req, lessPattern):
ui.serveFromDiskOrStatic(rw, req, lessPattern, ui.fileLessHandler, lessstatic.Files)
case getSuffixMatches(req, reactPattern):
ui.serveFromDiskOrStatic(rw, req, reactPattern, ui.fileReactHandler, reactstatic.Files)
case getSuffixMatches(req, glitchPattern):
ui.serveFromDiskOrStatic(rw, req, glitchPattern, ui.fileGlitchHandler, glitchstatic.Files)
case getSuffixMatches(req, fontawesomePattern):
ui.serveFromDiskOrStatic(rw, req, fontawesomePattern, ui.fileFontawesomeHandler, fontawesomestatic.Files)
default:
file := ""
if m := staticFilePattern.FindStringSubmatch(suffix); m != nil {
file = m[1]
} else {
switch {
case wantsBlobRef(req):
file = "index.html"
case wantsPermanode(req):
file = "permanode.html"
case wantsBlobInfo(req):
file = "blobinfo.html"
case wantsFileTreePage(req):
file = "filetree.html"
case req.URL.Path == httputil.PathBase(req):
file = "index.html"
default:
http.Error(rw, "Illegal URL.", http.StatusNotFound)
return
}
}
if file == "deps.js" {
serveDepsJS(rw, req, ui.uiDir)
return
}
ServeStaticFile(rw, req, uistatic.Files, file)
}
}
func (sh *StatusHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
if req.Method != "GET" {
http.Error(rw, "Illegal URL.", http.StatusMethodNotAllowed)
return
}
if suffix == "status.json" {
sh.serveStatus(rw, req)
return
}
http.Error(rw, "Illegal URL.", 404)
}
func (hh *HelpHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
if !httputil.IsGet(req) {
http.Error(rw, "Illegal help method.", http.StatusMethodNotAllowed)
return
}
switch suffix {
case "":
hh.serveHelpHTML(rw, req)
default:
http.Error(rw, "Illegal help path.", http.StatusNotFound)
}
}
func (a *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if camhttputil.PathSuffix(req) == "config.json" {
if a.auth.AllowedAccess(req)&auth.OpGet == auth.OpGet {
camhttputil.ReturnJSON(rw, a.appConfig)
} else {
auth.SendUnauthorized(rw, req)
}
return
}
if a.proxy == nil {
http.Error(rw, "no proxy for the app", 500)
return
}
a.proxy.ServeHTTP(rw, req)
}
func (sh *StatusHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
if !httputil.IsGet(req) {
http.Error(rw, "Illegal status method.", http.StatusMethodNotAllowed)
return
}
switch suffix {
case "status.json":
sh.serveStatusJSON(rw, req)
case "":
sh.serveStatusHTML(rw, req)
default:
http.Error(rw, "Illegal status path.", 404)
}
}
// serveFromDiskOrStatic matches rx against req's path and serves the match either from disk (if non-nil) or from static (embedded in the binary).
func (ui *UIHandler) serveFromDiskOrStatic(rw http.ResponseWriter, req *http.Request, rx *regexp.Regexp, disk http.Handler, static *fileembed.Files) {
suffix := httputil.PathSuffix(req)
m := rx.FindStringSubmatch(suffix)
if m == nil {
panic("Caller should verify that rx matches")
}
file := m[1]
if disk != nil {
req.URL.Path = "/" + file
disk.ServeHTTP(rw, req)
} else {
serveStaticFile(rw, req, static, file)
}
}
func (ui *UIHandler) serveClosure(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
if ui.closureHandler == nil {
log.Printf("%v not served: closure handler is nil", suffix)
http.NotFound(rw, req)
return
}
m := closurePattern.FindStringSubmatch(suffix)
if m == nil {
httputil.ErrorRouting(rw, req)
return
}
req.URL.Path = "/" + m[1]
ui.closureHandler.ServeHTTP(rw, req)
}
func (ui *UIHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
rw.Header().Set("Vary", "Accept")
switch {
case wantsDiscovery(req):
ui.root.serveDiscovery(rw, req)
case wantsUploadHelper(req):
ui.serveUploadHelper(rw, req)
case strings.HasPrefix(suffix, "download/"):
ui.serveDownload(rw, req)
case strings.HasPrefix(suffix, "thumbnail/"):
ui.serveThumbnail(rw, req)
case strings.HasPrefix(suffix, "tree/"):
ui.serveFileTree(rw, req)
case wantsClosure(req):
ui.serveClosure(rw, req)
default:
file := ""
if m := staticFilePattern.FindStringSubmatch(suffix); m != nil {
file = m[1]
} else {
switch {
case wantsPermanode(req):
file = "permanode.html"
case wantsBlobInfo(req):
file = "blobinfo.html"
case wantsFileTreePage(req):
file = "filetree.html"
case req.URL.Path == httputil.PathBase(req):
file = "index.html"
default:
http.Error(rw, "Illegal URL.", http.StatusNotFound)
return
}
}
if file == "deps.js" {
envVar := uiFiles.OverrideEnv
if envVar != "" && os.Getenv(envVar) != "" {
serveDepsJS(rw, req)
return
}
}
serveStaticFile(rw, req, uiFiles, file)
}
}
func (hh *HelpHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
suffix := httputil.PathSuffix(req)
if !httputil.IsGet(req) {
http.Error(rw, "Illegal help method.", http.StatusMethodNotAllowed)
return
}
switch suffix {
case "":
if clientConfig := req.FormValue("clientConfig"); clientConfig != "" {
if clientConfigOnly, err := strconv.ParseBool(clientConfig); err == nil && clientConfigOnly {
httputil.ReturnJSON(rw, hh.clientConfig)
return
}
}
hh.serveHelpHTML(rw, req)
default:
http.Error(rw, "Illegal help path.", http.StatusNotFound)
}
}
func (h *Host) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if httputil.PathSuffix(r) == "" {
switch r.FormValue("mode") {
case "":
case "start":
h.start()
case "stop":
h.stop()
default:
fmt.Fprintf(w, "Unknown mode")
}
h.mu.Lock()
defer h.mu.Unlock()
fmt.Fprintf(w, "I am an importer of type %T; running=%v; last progress=%#v",
h.imp, h.running, h.lastProgress)
} else {
// TODO(aa): Remove this temporary hack once the UI has a way to configure importers.
h.imp.ServeHTTP(w, r)
}
}
func (ui *UIHandler) serveThumbnail(rw http.ResponseWriter, req *http.Request) {
if ui.root.Storage == nil {
http.Error(rw, "No BlobRoot configured", 500)
return
}
suffix := httputil.PathSuffix(req)
m := thumbnailPattern.FindStringSubmatch(suffix)
if m == nil {
httputil.ErrorRouting(rw, req)
return
}
query := req.URL.Query()
width, _ := strconv.Atoi(query.Get("mw"))
height, _ := strconv.Atoi(query.Get("mh"))
blobref, ok := blob.Parse(m[1])
if !ok {
http.Error(rw, "Invalid blobref", 400)
return
}
if width == 0 {
width = search.MaxImageSize
}
if height == 0 {
height = search.MaxImageSize
}
th := &ImageHandler{
Fetcher: ui.root.Storage,
Cache: ui.Cache,
MaxWidth: width,
MaxHeight: height,
ThumbMeta: ui.thumbMeta,
ResizeSem: ui.resizeSem,
Search: ui.search,
}
th.ServeHTTP(rw, req, blobref)
}
func (ui *UIHandler) serveThumbnail(rw http.ResponseWriter, req *http.Request) {
if ui.root.Storage == nil {
http.Error(rw, "No BlobRoot configured", 500)
return
}
suffix := httputil.PathSuffix(req)
m := thumbnailPattern.FindStringSubmatch(suffix)
if m == nil {
httputil.ErrorRouting(rw, req)
return
}
query := req.URL.Query()
width, err := strconv.Atoi(query.Get("mw"))
if err != nil {
http.Error(rw, "Invalid specified max width 'mw'", 500)
return
}
height, err := strconv.Atoi(query.Get("mh"))
if err != nil {
http.Error(rw, "Invalid specified height 'mh'", 500)
return
}
blobref := blobref.Parse(m[1])
if blobref == nil {
http.Error(rw, "Invalid blobref", 400)
return
}
th := &ImageHandler{
Fetcher: ui.root.Storage,
Cache: ui.Cache,
MaxWidth: width,
MaxHeight: height,
sc: ui.sc,
}
th.ServeHTTP(rw, req, blobref)
}
func (ph *publishHandler) NewRequest(rw http.ResponseWriter, req *http.Request) (*publishRequest, error) {
// splits a path request into its suffix and subresource parts.
// e.g. /blog/foo/camli/res/file/xxx -> ("foo", "file/xxx")
suffix, res := httputil.PathSuffix(req), ""
if strings.HasPrefix(suffix, "-/") {
suffix, res = "", suffix[2:]
} else if s := strings.SplitN(suffix, "/-/", 2); len(s) == 2 {
suffix, res = s[0], s[1]
}
return &publishRequest{
ph: ph,
rw: rw,
req: req,
suffix: suffix,
base: httputil.PathBase(req),
subres: res,
rootpn: ph.rootNode,
inSubjectChain: make(map[string]bool),
subjectBasePath: "",
}, nil
}
func (sh *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
ret := jsonMap()
suffix := httputil.PathSuffix(req)
if req.Method == "GET" {
switch suffix {
case "camli/search/recent":
sh.serveRecentPermanodes(rw, req)
return
case "camli/search/permanodeattr":
sh.servePermanodesWithAttr(rw, req)
return
case "camli/search/describe":
sh.serveDescribe(rw, req)
return
case "camli/search/claims":
sh.serveClaims(rw, req)
return
case "camli/search/files":
sh.serveFiles(rw, req)
return
case "camli/search/signerattrvalue":
sh.serveSignerAttrValue(rw, req)
return
case "camli/search/signerpaths":
sh.serveSignerPaths(rw, req)
return
case "camli/search/edgesto":
sh.serveEdgesTo(rw, req)
return
}
}
// TODO: discovery for the endpoints & better error message with link to discovery info
ret["error"] = "Unsupported search path or method"
ret["errorType"] = "input"
httputil.ReturnJSON(rw, ret)
}
func (ph *PublishHandler) NewRequest(rw http.ResponseWriter, req *http.Request) *publishRequest {
// splits a path request into its suffix and subresource parts.
// e.g. /blog/foo/camli/res/file/xxx -> ("foo", "file/xxx")
suffix, res := httputil.PathSuffix(req), ""
if strings.HasPrefix(suffix, "-/") {
suffix, res = "", suffix[2:]
} else if s := strings.SplitN(suffix, "/-/", 2); len(s) == 2 {
suffix, res = s[0], s[1]
}
rootpn, _ := ph.rootPermanode()
return &publishRequest{
ph: ph,
rw: rw,
req: req,
suffix: suffix,
base: httputil.PathBase(req),
subres: res,
rootpn: rootpn,
dr: ph.Search.NewDescribeRequest(),
inSubjectChain: make(map[string]bool),
subjectBasePath: "",
resizeSem: ph.resizeSem,
}
}
func (sh *Handler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
ret := jsonMap()
suffix := httputil.PathSuffix(req)
if httputil.IsGet(req) {
fn := getHandler[strings.TrimPrefix(suffix, "camli/search/")]
if fn != nil {
fn(sh, rw, req)
return
}
}
if req.Method == "POST" {
switch suffix {
case "camli/search/query":
sh.serveQuery(rw, req)
return
}
}
// TODO: discovery for the endpoints & better error message with link to discovery info
ret["error"] = "Unsupported search path or method"
ret["errorType"] = "input"
httputil.ReturnJSON(rw, ret)
}
func wantsBlobRef(req *http.Request) bool {
_, ok := blob.ParseKnown(httputil.PathSuffix(req))
return ok
}
func (base closureRedirector) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
newURL := string(base) + "/" + path.Clean(httputil.PathSuffix(req))
http.Redirect(rw, req, newURL, http.StatusTemporaryRedirect)
}
