hinata: support specifying cookies in curl_easy

We use tomlc99 to parse strings.
To use cookies for higher resolution video downloading, add a
config.toml in the executable path.

e.g.
```filename: config.toml

cookie="SESSDATA=xxx; some_more_cookie=xxx"
```

1 files changed, 30 insertions, 1 deletions

diff --git a/src/main.c b/src/main.c
index e9d22f1..ecd9381 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,10 +1,12 @@
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 #include <curl/curl.h>
+#include <limits.h>
 #include <locale.h>
 #include <stdio.h>
 #include <stdlib.h>
 
+#include "toml.h"
 #define MAX_VERTEX_BUFFER 512 * 1024
 #define MAX_ELEMENT_BUFFER 128 * 1024
 #define NK_INCLUDE_FIXED_TYPES
@@ -29,6 +31,7 @@
 #include "unifont.h"
 
 extern int win_width, win_height;
+static char *cookie;
 extern void load_ui(struct ui_struct *);
 static void error_callback(int e, const char *d) {
   printf("Error %d: %s\n", e, d);
@@ -40,8 +43,34 @@ int main(void) {
   /* Set locale*/
   setlocale(LC_ALL, ".UTF-8");
 
+  /* Parse config */
+  // NOTICE: string parsed from toml should always be freed afterwards!!!
+  {
+    FILE *fp;
+    const char *config_file = "config.toml";
+    char errbuf[UCHAR_MAX];
+
+    fp = fopen(config_file, "r");
+    if (!fp) {
+      fprintf(stderr, "[tomlc99] Cannot open %s, applying default config...\n",
+              config_file);
+    } else {
+      toml_table_t *conf = toml_parse_file(fp, errbuf, sizeof(errbuf));
+      fclose(fp);
+
+      if (!conf) {
+        fprintf(stderr, "[tomlc99] Cannot parse %s\n", config_file);
+      }
+      toml_datum_t cookie_datum = toml_string_in(conf, "cookie");
+      if (cookie_datum.ok) {
+        printf("[tomlc99] Found cookie string in config.toml, applying...\n");
+        cookie = cookie_datum.u.s;
+      }
+    }
+  }
+
   /* Curl */
-  curl_init();
+  curl_init(cookie);
 
   /* GLFW */
   struct nk_glfw glfw = {0};