1 files changed, 260 insertions, 0 deletions
diff --git a/src/otr.c b/src/otr.c
new file mode 100644
index 00000000..e468bdea
--- /dev/null
+++ b/src/otr.c
@@ -0,0 +1,260 @@
+/*
+ * otr.c
+ *
+ * Copyright (C) 2012, 2013 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <libotr/proto.h>
+#include <libotr/privkey.h>
+#include <libotr/message.h>
+#include <glib.h>
+
+#include "otr.h"
+#include "ui/ui.h"
+
+static OtrlUserState user_state;
+static OtrlMessageAppOps ops;
+static char *jid;
+
+// ops callbacks
+static OtrlPolicy
+cb_policy(void *opdata, ConnContext *context)
+{
+    cons_debug("cb_policy");
+    return OTRL_POLICY_DEFAULT ^ OTRL_POLICY_ALLOW_V1;
+}
+
+static void
+cb_create_privkey(void *opdata, const char *accountname,
+    const char *protocol)
+{
+    cons_debug("cb_create_privkey()");
+}
+
+static int
+cb_is_logged_in(void *opdata, const char *accountname,
+    const char *protocol, const char *recipient)
+{
+    cons_debug("cb_is_logged_in: account: %s, protocol: %s, recipient: %s",
+        accountname, protocol, recipient);
+    return -1;
+}
+
+static void
+cb_inject_message(void *opdata, const char *accountname,
+    const char *protocol, const char *recipient, const char *message)
+{
+    cons_debug("cb_inject_message: account: %s, protocol, %s, recipient: %s, message: %s",
+        accountname, protocol, recipient, message);
+}
+
+static void
+cb_notify(void *opdata, OtrlNotifyLevel level,
+    const char *accountname, const char *protocol, const char *username,
+    const char *title, const char *primary, const char *secondary)
+{
+    cons_debug("cb_notify");
+}
+
+static int
+cb_display_otr_message(void *opdata, const char *accountname,
+    const char *protocol, const char *username, const char *msg)
+{
+    cons_debug("cb_display_otr_message: account: %s, protocol: %s, user: %s, msg: %s",
+        accountname, protocol, username, msg);
+    return 0;
+}
+
+static const char *
+cb_protocol_name(void *opdata, const char *protocol)
+{
+    cons_debug("cb_protocol_name: %s", protocol);
+    return protocol;
+}
+
+static void
+cb_new_fingerprint(void *opdata, OtrlUserState us, const char *accountname,
+    const char *protocol, const char *username, unsigned char fingerprint[20])
+{
+    cons_debug("cb_new_fingerprint: account: %s, protocol: %s, username: %s",
+        accountname, protocol, username);
+}
+
+static void
+cb_protocol_name_free(void *opdata, const char *protocol_name)
+{
+    cons_debug("cb_protocol_name_free: %s", protocol_name);
+}
+
+static void
+cb_update_context_list(void *opdata)
+{
+    cons_debug("cb_update_context_list");
+}
+
+static void
+cb_write_fingerprints(void *opdata)
+{
+    cons_debug("cb_write_fingerprints");
+}
+
+static void
+cb_gone_secure(void *opdata, ConnContext *context)
+{
+    cons_debug("cb_gone_secure");
+}
+
+static void
+cb_gone_insecure(void *opdata, ConnContext *context)
+{
+    cons_debug("cb_gone_insecure");
+}
+
+static void
+cb_still_secure(void *opdata, ConnContext *context, int is_reply)
+{
+    cons_debug("cb_still_secure: is_reply = %d", is_reply);
+}
+
+static void
+cb_log_message(void *opdata, const char *message)
+{
+    cons_debug("cb_log_message: %s", message);
+}
+
+void
+otr_init(void)
+{
+    cons_debug("otr_init()");
+    OTRL_INIT;
+
+    ops.policy = cb_policy;
+    ops.create_privkey = cb_create_privkey;
+    ops.is_logged_in = cb_is_logged_in;
+    ops.inject_message = cb_inject_message;
+    ops.notify = cb_notify;
+    ops.display_otr_message = cb_display_otr_message;
+    ops.update_context_list = cb_update_context_list;
+    ops.protocol_name = cb_protocol_name;
+    ops.protocol_name_free = cb_protocol_name_free;
+    ops.new_fingerprint = cb_new_fingerprint;
+    ops.write_fingerprints = cb_write_fingerprints;
+    ops.gone_secure = cb_gone_secure;
+    ops.gone_insecure = cb_gone_insecure;
+    ops.still_secure = cb_still_secure;
+    ops.log_message = cb_log_message;
+}
+
+void
+otr_account_load(ProfAccount *account)
+{
+    cons_debug("otr_account_load()");
+
+    jid = strdup(account->jid);
+
+    GString *key_filename = g_string_new("./");
+    g_string_append(key_filename, account->jid);
+    g_string_append(key_filename, "_key.txt");
+
+    GString *fp_filename = g_string_new("./");
+    g_string_append(fp_filename, account->jid);
+    g_string_append(fp_filename, "_fingerprints.txt");
+
+    user_state = otrl_userstate_create();
+
+    gcry_error_t err = 0;
+
+    if (!g_file_test(key_filename->str, G_FILE_TEST_IS_REGULAR)) {
+        cons_debug("Private key not found, generating one");
+        err = otrl_privkey_generate(user_state, key_filename->str, account->jid, "xmpp");
+        if (!err == GPG_ERR_NO_ERROR) {
+            cons_debug("Failed to generate private key");
+            g_string_free(key_filename, TRUE);
+            return;
+        }
+        cons_debug("Generated private key");
+    }
+
+    if (!g_file_test(fp_filename->str, G_FILE_TEST_IS_REGULAR)) {
+        cons_debug("Fingerprints not found, creating file");
+        err = otrl_privkey_write_fingerprints(user_state, fp_filename->str);
+        if (!err == GPG_ERR_NO_ERROR) {
+            cons_debug("Failed to create fingerprints file");
+            g_string_free(key_filename, TRUE);
+            return;
+        }
+        cons_debug("Created fingerprints file");
+    }
+
+    cons_debug("Loading private key");
+    err = otrl_privkey_read(user_state, key_filename->str);
+    if (!err == GPG_ERR_NO_ERROR) {
+        cons_debug("Failed to load private key");
+        g_string_free(key_filename, TRUE);
+        return;
+    }
+    cons_debug("Loaded private key");
+
+    cons_debug("Loading fingerprints");
+    err = otrl_privkey_read_fingerprints(user_state, fp_filename->str, NULL, NULL);
+    if (!err == GPG_ERR_NO_ERROR) {
+        cons_debug("Failed to load fingerprints");
+        g_string_free(fp_filename, TRUE);
+        return;
+    }
+    cons_debug("Loaded fingerprints");
+
+    g_string_free(key_filename, TRUE);
+    g_string_free(fp_filename, TRUE);
+    return;
+}
+
+char *
+otr_encrypt_message(const char * const to, const char * const message)
+{
+    cons_debug("otr_encrypt_message, account: %s, protocol: xmpp, recipient: %s", jid, to);
+    gcry_error_t err;
+    char *newmessage = NULL;
+
+    err = otrl_message_sending(
+        user_state,
+        &ops,
+        NULL,
+        jid,
+        "xmpp",
+        to,
+        message,
+        0,
+        &newmessage,
+        NULL,
+        &ops);
+    if (!err == GPG_ERR_NO_ERROR) {
+        cons_debug("Error encrypting, result: %s", newmessage);
+        return NULL;
+    } else {
+        cons_debug("Encrypted, result: %s", newmessage);
+        return newmessage;
+    }
+}
+
+void
+otr_free_message(char *message)
+{
+    otrl_message_free(message);
+}