[data.c] new file.

1 files changed, 133 insertions, 0 deletions

diff --git a/data.c b/data.c
new file mode 100644
index 0000000..e13bd2b
--- /dev/null
+++ b/data.c
@@ -0,0 +1,133 @@
+/* snac - A simple, minimalistic ActivityPub instance */
+/* copyright (c) 2022 grunfink - MIT license */
+
+#include "xs.h"
+#include "xs_io.h"
+#include "xs_json.h"
+
+#include "snac.h"
+
+int srv_open(char *basedir)
+/* opens a server */
+{
+    int ret = 0;
+    xs *cfg_file = NULL;
+    FILE *f;
+
+    srv_basedir = xs_str_new(basedir);
+
+    cfg_file = xs_fmt("%s/server.json", basedir);
+
+    if ((f = fopen(cfg_file, "r")) == NULL)
+        srv_log(xs_fmt("error opening '%s'", cfg_file));
+    else {
+        xs *cfg_data;
+
+        /* read full config file */
+        cfg_data = xs_readall(f);
+
+        /* parse */
+        srv_config = xs_json_loads(cfg_data);
+
+        if (srv_config == NULL)
+            srv_log(xs_fmt("cannot parse '%s'", cfg_file));
+        else {
+            char *host;
+            char *prefix;
+            char *dbglvl;
+
+            host   = xs_dict_get(srv_config, "host");
+            prefix = xs_dict_get(srv_config, "prefix");
+            dbglvl = xs_dict_get(srv_config, "dbglevel");
+
+            if (host == NULL || prefix == NULL)
+                srv_log(xs_str_new("cannot get server data"));
+            else {
+                srv_baseurl = xs_fmt("https://%s%s", host, prefix);
+
+                dbglevel = (int) xs_number_get(dbglvl);
+
+                if ((dbglvl = getenv("DEBUG")) != NULL) {
+                    dbglevel = atoi(dbglvl);
+                    srv_log(xs_fmt("DEBUG level set to %d from environment", dbglevel));
+                }
+
+                ret = 1;
+            }
+        }
+    }
+
+    return ret;
+}
+
+
+void snac_free(snac *snac)
+/* frees a user snac */
+{
+    free(snac->uid);
+    free(snac->basedir);
+    free(snac->config);
+    free(snac->key);
+    free(snac->actor);
+}
+
+
+int snac_open(snac *snac, char *uid)
+/* opens a user */
+{
+    int ret = 0;
+
+    memset(snac, '\0', sizeof(struct _snac));
+
+    if (validate_uid(uid)) {
+        xs *cfg_file;
+        FILE *f;
+
+        snac->uid = xs_str_new(uid);
+
+        snac->basedir = xs_fmt("%s/user/%s", srv_basedir, uid);
+
+        cfg_file = xs_fmt("%s/user.json", snac->basedir);
+
+        if ((f = fopen(cfg_file, "r")) != NULL) {
+            xs *cfg_data;
+
+            /* read full config file */
+            cfg_data = xs_readall(f);
+            fclose(f);
+
+            if ((snac->config = xs_json_loads(cfg_data)) != NULL) {
+                xs *key_file = xs_fmt("%s/key.json", snac->basedir);
+
+                if ((f = fopen(key_file, "r")) != NULL) {
+                    xs *key_data;
+
+                    key_data = xs_readall(f);
+                    fclose(f);
+
+                    if ((snac->key = xs_json_loads(key_data)) != NULL) {
+                        snac->actor = xs_fmt("%s/%s", srv_baseurl, uid);
+                        ret = 1;
+                    }
+                    else
+                        srv_log(xs_fmt("cannot parse '%s'", key_file));
+                }
+                else
+                    srv_log(xs_fmt("error opening '%s'", key_file));
+            }
+            else
+                srv_log(xs_fmt("cannot parse '%s'", cfg_file));
+        }
+        else
+            srv_log(xs_fmt("error opening '%s'", cfg_file));
+    }
+    else
+        srv_log(xs_fmt("invalid user '%s'", uid));
+
+    if (!ret)
+        snac_free(snac);
+
+    return ret;
+}
+
+