Ejemplo n.º 1
0
func (pr *publishRequest) serveHTTP() {
	if !pr.rootpn.Valid() {
		pr.rw.WriteHeader(404)
		return
	}

	if pr.Debug() {
		pr.rw.Header().Set("Content-Type", "text/html")
		pr.pf("I am publish handler at base %q, serving root %q (permanode=%s), suffix %q, subreq %q<hr>",
			pr.base, pr.ph.rootName, pr.rootpn, html.EscapeString(pr.suffix), html.EscapeString(pr.subres))
	}

	if err := pr.findSubject(); err != nil {
		if err == os.ErrNotExist {
			pr.rw.WriteHeader(404)
			return
		}
		logf("Error looking up %s/%q: %v", pr.rootpn, pr.suffix, err)
		pr.rw.WriteHeader(500)
		return
	}

	if pr.Debug() {
		pr.pf("<p><b>Subject:</b> <a href='/ui/?p=%s'>%s</a></p>", pr.subject, pr.subject)
		return
	}

	switch pr.subresourceType() {
	case "":
		pr.serveSubjectTemplate()
	case "b":
		// TODO: download a raw blob
	case "f": // file download
		pr.serveSubresFileDownload()
	case "i": // image, scaled
		pr.serveSubresImage()
	case "s": // static
		pr.req.URL.Path = pr.subres[len("/=s"):]
		if len(pr.req.URL.Path) <= 1 {
			http.Error(pr.rw, "Illegal URL.", http.StatusNotFound)
			return
		}
		file := pr.req.URL.Path[1:]
		server.ServeStaticFile(pr.rw, pr.req, pr.ph.staticFiles, file)
	case "z":
		pr.serveZip()
	default:
		pr.rw.WriteHeader(400)
		pr.pf("<p>Invalid or unsupported resource request.</p>")
	}
}
Ejemplo n.º 2
0
func (pr *publishRequest) serveHTTP() {
	if !pr.rootpn.Valid() {
		pr.rw.WriteHeader(404)
		return
	}

	if pr.Debug() {
		pr.rw.Header().Set("Content-Type", "text/html")
		pr.pf("I am publish handler at base %q, serving root %q (permanode=%s), suffix %q, subreq %q<hr>",
			pr.base, pr.ph.rootName, pr.rootpn, html.EscapeString(pr.suffix), html.EscapeString(pr.subres))
	}

	if err := pr.findSubject(); err != nil {
		if err == os.ErrNotExist {
			pr.rw.WriteHeader(404)
			return
		}
		logf("Error looking up %s/%q: %v", pr.rootpn, pr.suffix, err)
		pr.rw.WriteHeader(500)
		return
	}

	if pr.Debug() {
		pr.pf("<p><b>Subject:</b> <a href='/ui/?p=%s'>%s</a></p>", pr.subject, pr.subject)
		return
	}

	switch pr.subresourceType() {
	case "":
		// This should not happen too often as now that we have the
		// javascript code we're not hitting that code path often anymore
		// in a typical navigation. And the app handler is doing
		// request suppression anyway.
		// If needed, we can always do it in a narrower case later.
		if err := pr.ph.refreshMasterQuery(); err != nil {
			logf("Error refreshing master query: %v", err)
			pr.rw.WriteHeader(500)
			return
		}
		pr.serveSubjectTemplate()
	case "b":
		// TODO: download a raw blob
	case "f": // file download
		pr.serveSubresFileDownload()
	case "i": // image, scaled
		pr.serveSubresImage()
	case "s": // static
		pr.req.URL.Path = pr.subres[len("/=s"):]
		if len(pr.req.URL.Path) <= 1 {
			http.Error(pr.rw, "Illegal URL.", http.StatusNotFound)
			return
		}
		file := pr.req.URL.Path[1:]
		server.ServeStaticFile(pr.rw, pr.req, pr.ph.staticFiles, file)
	case "z":
		pr.serveZip()
	default:
		pr.rw.WriteHeader(400)
		pr.pf("<p>Invalid or unsupported resource request.</p>")
	}
}