Moved jid.c

src/xmpp/jid.c

@@ -0,0 +1,195 @@
+/*
+ * jid.c
+ *
+ * Copyright (C) 2012 - 2016 James Booth <boothj5@gmail.com>
+ *
+ * This file is part of Profanity.
+ *
+ * Profanity 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.
+ *
+ * Profanity 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 Profanity.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link the code of portions of this program with the OpenSSL library under
+ * certain conditions as described in each individual source file, and
+ * distribute linked combinations including the two.
+ *
+ * You must obey the GNU General Public License in all respects for all of the
+ * code used other than OpenSSL. If you modify file(s) with this exception, you
+ * may extend this exception to your version of the file(s), but you are not
+ * obligated to do so. If you do not wish to do so, delete this exception
+ * statement from your version. If you delete this exception statement from all
+ * source files in the program, then also delete it here.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include "jid.h"
+
+#include "common.h"
+
+Jid*
+jid_create(const gchar *const str)
+{
+    Jid *result = NULL;
+
+    /* if str is NULL g_strdup returns NULL */
+    gchar *trimmed = g_strdup(str);
+    if (trimmed == NULL) {
+        return NULL;
+    }
+
+    if (strlen(trimmed) == 0) {
+        g_free(trimmed);
+        return NULL;
+    }
+
+    if (g_str_has_prefix(trimmed, "/") || g_str_has_prefix(trimmed, "@")) {
+        g_free(trimmed);
+        return NULL;
+    }
+
+    if (!g_utf8_validate(trimmed, -1, NULL)) {
+        g_free(trimmed);
+        return NULL;
+    }
+
+    result = malloc(sizeof(struct jid_t));
+    result->str = NULL;
+    result->localpart = NULL;
+    result->domainpart = NULL;
+    result->resourcepart = NULL;
+    result->barejid = NULL;
+    result->fulljid = NULL;
+
+    gchar *atp = g_utf8_strchr(trimmed, -1, '@');
+    gchar *slashp = g_utf8_strchr(trimmed, -1, '/');
+    gchar *domain_start = trimmed;
+
+    if (atp) {
+        result->localpart = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, atp));
+        domain_start = atp + 1;
+    }
+
+    if (slashp) {
+        result->resourcepart = g_strdup(slashp + 1);
+        result->domainpart = g_utf8_substring(domain_start, 0, g_utf8_pointer_to_offset(domain_start, slashp));
+        char *barejidraw = g_utf8_substring(trimmed, 0, g_utf8_pointer_to_offset(trimmed, slashp));
+        result->barejid = g_utf8_strdown(barejidraw, -1);
+        result->fulljid = g_strdup(trimmed);
+        g_free(barejidraw);
+    } else {
+        result->domainpart = g_strdup(domain_start);
+        result->barejid = g_utf8_strdown(trimmed, -1);
+    }
+
+    if (result->domainpart == NULL) {
+        jid_destroy(result);
+        return NULL;
+    }
+
+    result->str = trimmed;
+
+    return result;
+}
+
+Jid*
+jid_create_from_bare_and_resource(const char *const room, const char *const nick)
+{
+    Jid *result;
+    char *jid = create_fulljid(room, nick);
+    result = jid_create(jid);
+    free(jid);
+
+    return result;
+}
+
+void
+jid_destroy(Jid *jid)
+{
+    if (jid) {
+        g_free(jid->str);
+        g_free(jid->localpart);
+        g_free(jid->domainpart);
+        g_free(jid->resourcepart);
+        g_free(jid->barejid);
+        g_free(jid->fulljid);
+        free(jid);
+    }
+}
+
+gboolean
+jid_is_valid_room_form(Jid *jid)
+{
+    return (jid->fulljid != NULL);
+}
+
+/*
+ * Given a barejid, and resourcepart, create and return a full JID of the form
+ * barejid/resourcepart
+ * Will return a newly created string that must be freed by the caller
+ */
+char*
+create_fulljid(const char *const barejid, const char *const resource)
+{
+    gchar *barejidlower = g_utf8_strdown(barejid, -1);
+    GString *full_jid = g_string_new(barejidlower);
+    g_free(barejidlower);
+    g_string_append(full_jid, "/");
+    g_string_append(full_jid, resource);
+
+    char *result = strdup(full_jid->str);
+
+    g_string_free(full_jid, TRUE);
+
+    return result;
+}
+
+/*
+ * Get the nickname part of the full JID, e.g.
+ * Full JID = "test@conference.server/person"
+ * returns "person"
+ */
+char*
+get_nick_from_full_jid(const char *const full_room_jid)
+{
+    char **tokens = g_strsplit(full_room_jid, "/", 0);
+    char *nick_part = NULL;
+
+    if (tokens) {
+        if (tokens[0] && tokens[1]) {
+            nick_part = strdup(tokens[1]);
+        }
+
+        g_strfreev(tokens);
+    }
+
+    return nick_part;
+}
+
+
+/*
+ * get the fulljid, fall back to the barejid
+ */
+char*
+jid_fulljid_or_barejid(Jid *jid)
+{
+    if (jid->fulljid) {
+        return jid->fulljid;
+    } else {
+        return jid->barejid;
+    }
+}

src/xmpp/jid.h

@@ -0,0 +1,61 @@
+/*
+ * jid.h
+ *
+ * Copyright (C) 2012 - 2016 James Booth <boothj5@gmail.com>
+ *
+ * This file is part of Profanity.
+ *
+ * Profanity 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.
+ *
+ * Profanity 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 Profanity.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give permission to
+ * link the code of portions of this program with the OpenSSL library under
+ * certain conditions as described in each individual source file, and
+ * distribute linked combinations including the two.
+ *
+ * You must obey the GNU General Public License in all respects for all of the
+ * code used other than OpenSSL. If you modify file(s) with this exception, you
+ * may extend this exception to your version of the file(s), but you are not
+ * obligated to do so. If you do not wish to do so, delete this exception
+ * statement from your version. If you delete this exception statement from all
+ * source files in the program, then also delete it here.
+ *
+ */
+
+#ifndef XMPP_JID_H
+#define XMPP_JID_H
+
+#include <glib.h>
+
+struct jid_t {
+    char *str;
+    char *localpart;
+    char *domainpart;
+    char *resourcepart;
+    char *barejid;
+    char *fulljid;
+};
+
+typedef struct jid_t Jid;
+
+Jid* jid_create(const gchar *const str);
+Jid* jid_create_from_bare_and_resource(const char *const room, const char *const nick);
+void jid_destroy(Jid *jid);
+
+gboolean jid_is_valid_room_form(Jid *jid);
+char* create_fulljid(const char *const barejid, const char *const resource);
+char* get_nick_from_full_jid(const char *const full_room_jid);
+
+char* jid_fulljid_or_barejid(Jid *jid);
+
+#endif