commit 9a8c64d48a0dcacffcfafb1d9759614516cb28cb
parent a9aae8f1aded116587af78fa7882b213dd9908fb
Author: Ricardo Mones <ricardo@mones.org>
Date: Sun, 27 Apr 2014 02:45:18 +0200
Retrieve avatar service URL from address
Diffstat:
3 files changed, 176 insertions(+), 1 deletion(-)
diff --git a/src/plugins/libravatar/Makefile.am b/src/plugins/libravatar/Makefile.am
@@ -73,5 +73,6 @@ libravatar_la_CPPFLAGS = \
libravatar_la_SOURCES = \
libravatar.c libravatar.h \
libravatar_prefs.c libravatar_prefs.h \
- libravatar_missing.c libravatar_missing.h
+ libravatar_missing.c libravatar_missing.h \
+ libravatar_federation.c libravatar_federation.h
diff --git a/src/plugins/libravatar/libravatar_federation.c b/src/plugins/libravatar/libravatar_federation.c
@@ -0,0 +1,147 @@
+/*
+ * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2014 Hiroyuki Yamamoto and the Claws Mail Team
+ * Copyright (C) 2014 Ricardo Mones
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+
+#include "libravatar_federation.h"
+#include "libravatar_prefs.h"
+#include "utils.h"
+
+#define MISSING "x"
+
+static GHashTable *federated = NULL;
+
+/**
+ * Get the associated avatar URL for a domain.
+ *
+ * @param domain Domain to get the URL for.
+ *
+ * @return The avatar URL for the domain or NULL if not found.
+ */
+static gchar *get_federated_url_for_domain(const gchar *domain)
+{
+ gchar *found;
+
+ if (federated == NULL) {
+ return NULL;
+ }
+
+ found = (gchar *) g_hash_table_lookup(federated, domain);
+
+ if (found != NULL)
+ debug_print("cached avatar url for domain %s found: %s\n", domain, found);
+ else
+ debug_print("cached avatar url for domain %s not found\n", domain);
+
+ return found;
+}
+
+/**
+ * Adds a URL for a domain.
+ *
+ * @param url The computed avatar URL.
+ * @param domain Associated domain.
+ */
+static void add_federated_url_for_domain(const gchar *url, const gchar *domain)
+{
+ if (url == NULL)
+ return;
+
+ if (federated == NULL)
+ federated = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+
+ debug_print("new cached avatar url for domain %s: %s\n", domain, url);
+ g_hash_table_insert(federated, g_strdup(domain), g_strdup(url));
+}
+
+/**
+ * Retrieves the federated URL for a given email address.
+ *
+ * @param address The email address.
+ *
+ * @return The avatar URL for the domain of the address.
+ */
+gchar *federated_url_for_address(const gchar *address)
+{
+ gchar *domain = NULL, *last = NULL, *addr = NULL, *url = NULL;
+ gchar *host = NULL;
+ guint16 port = 0;
+
+ if (address == NULL || *address == '\0')
+ goto invalid_addr;
+
+ addr = g_strdup(address);
+ domain = strchr(addr, '@');
+ if (domain == NULL)
+ goto invalid_addr;
+
+ ++domain;
+ if (strlen(domain) < 5)
+ goto invalid_addr;
+
+ last = domain;
+ while (*last != '\0' && *last != ' ' && *last != '\t' && *last != '>')
+ ++last;
+ *last = '\0';
+
+ /* try cached domains */
+ url = get_federated_url_for_domain(domain);
+ if (url != NULL) {
+ g_free(addr);
+ if (!strcmp(url, MISSING)) {
+ return g_strdup(libravatarprefs.base_url);
+ }
+ return g_strdup(url);
+ }
+
+ /* not cached, try secure service first */
+ if (auto_configure_service("avatars-sec", domain, &host, &port)) {
+ if (port != 443) {
+ url = g_strdup_printf("https://%s:%d/avatar", host, port);
+ } else {
+ url = g_strdup_printf("https://%s/avatar", host);
+ }
+ } else { /* try standard one if no secure service available */
+ if (auto_configure_service("avatars", domain, &host, &port)) {
+ if (port != 80) {
+ url = g_strdup_printf("http://%s:%d/avatar", host, port);
+ } else {
+ url = g_strdup_printf("http://%s/avatar", host);
+ }
+ } else {
+ debug_print("libravatar federated domain for %s not found\n", domain);
+ }
+ }
+ if (url != NULL) {
+ add_federated_url_for_domain(url, domain);
+ } else {
+ add_federated_url_for_domain(MISSING, domain);
+ }
+
+ g_free(addr);
+ return url;
+
+invalid_addr:
+ if (addr != NULL)
+ g_free(addr);
+
+ debug_print("invalid address for libravatar federated domain\n");
+ return NULL;
+}
+
diff --git a/src/plugins/libravatar/libravatar_federation.h b/src/plugins/libravatar/libravatar_federation.h
@@ -0,0 +1,27 @@
+/*
+ * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2014 Hiroyuki Yamamoto and the Claws Mail Team
+ * Copyright (C) 2014 Ricardo Mones
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LIBRAVATAR_FEDERATION_H
+#define __LIBRAVATAR_FEDERATION_H
+
+#include <glib.h>
+
+gchar *federated_url_for_address (const gchar *address);
+
+#endif
