From e6d9edc048efb5b19d79bbe7871b2ff779d72311 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Wed, 27 Jun 2018 22:56:25 +0800
Subject: initial code

---
 session.c | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 session.c

(limited to 'session.c')

diff --git a/session.c b/session.c
new file mode 100644
index 0000000..bd9deb0
--- /dev/null
+++ b/session.c
@@ -0,0 +1,120 @@
+#include "session.h"
+#include "util.h"
+
+matrix_session*
+matrix_session_new(const char *url)
+{
+	matrix_session *sess = (matrix_session*)malloc(sizeof(matrix_session));
+	memset(sess, 0, sizeof(matrix_session));
+	sess->curl = curl_easy_init();
+	if (sess->curl) {
+		sess->url = copy_str(url);
+		return sess;
+	} else {
+		free(sess);
+		return NULL;
+	}
+}
+
+#define SAFE_FREE(x) if (x) free(x);
+
+void
+matrix_session_free(matrix_session *sess)
+{
+	SAFE_FREE(sess->url);
+	SAFE_FREE(sess->servername);
+	SAFE_FREE(sess->mxid);
+	SAFE_FREE(sess->token);
+	SAFE_FREE(sess->dev_id);
+
+	curl_easy_cleanup(sess->curl);
+	free(sess);
+}
+
+matrix_session*
+matrix_login_pass(const char *url, const char *user, const char *passwd, const char *devname)
+{
+	CURLcode res;
+
+	matrix_session *sess = matrix_session_new(url);
+
+	json_object *reqobj = json_object_new_object();
+	char requrl[1000]; /* FIXME */
+	json_object *resp = NULL;
+
+	sprintf(requrl, "%s%s", url, "/_matrix/client/r0/login");
+
+	json_add_string(reqobj, "type", "m.login.password");
+	json_add_string(reqobj, "user", user);
+	json_add_string(reqobj, "password", passwd);
+	if (devname != NULL)
+		json_add_string(reqobj, "initial_device_display_name", devname);
+
+	res = _curl_post(sess->curl, requrl, json_object_to_json_string(reqobj), &resp);
+	json_object_put(reqobj);
+
+	/* save mxid, token, dev_id*/
+	if (resp != NULL) {
+		const char *mxid = json_gets(resp, "user_id");
+		const char *token = json_gets(resp, "access_token");
+		const char *devid = json_gets(resp, "device_id");
+		const char *hs = json_gets(resp, "home_server");
+
+		if (mxid && token && devid && hs) {
+			sess->mxid = copy_str(mxid);
+			sess->token = copy_str(token);
+			sess->dev_id = copy_str(devid);
+			sess->servername = copy_str(hs);
+			json_object_put(resp);
+			return sess;
+		} else {
+			json_object_put(resp);
+			matrix_session_free(sess);
+			return NULL;
+		}
+	}
+	return NULL;
+}
+
+matrix_session*
+matrix_access_token(const char *url, const char *token)
+{
+	matrix_session *sess = matrix_session_new(url);
+	sess->token = copy_str(token);
+	char *mxid = matrix_whoami(sess);
+
+	if (mxid) {
+		sess->mxid = mxid;
+		return sess;
+	} else {
+		matrix_session_free(sess);
+		return NULL;
+	}
+}
+
+/* return an alloc'd string of MXID */
+char *matrix_whoami(matrix_session *sess)
+{
+	char requrl[1000]; /* FIXME */
+	char *uid;
+	CURLcode res;
+	json_object *resp = NULL;
+
+	sprintf(requrl, "%s/_matrix/client/r0/account/whoami?access_token=%s",
+			  sess->url, sess->token);
+	res = _curl_get(sess->curl, requrl, &resp);
+
+	if (resp != NULL) {
+		const char *mxid = json_gets(resp, "user_id");
+		if (mxid) {
+			uid = copy_str(mxid);
+			json_object_put(resp);
+			return uid;
+		} else {
+			json_object_put(resp);
+			return NULL;
+		}
+	} else {
+		return NULL;
+	}
+}
-- 
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