chore: merge indev into master

9 files changed, 271 insertions, 145 deletions

diff --git a/src/Config.c b/src/Config.c
index 967a4b4..9883d45 100644
--- a/src/Config.c
+++ b/src/Config.c
@@ -65,11 +65,9 @@ int load_config(const char *filename, Config *config) {
           config->host[sizeof(config->host) - 1] = '\0';
         } else if (strcmp(key, "port") == 0) {
           config->port = atoi(value);
-        } else if (strcmp(key, "domain") == 0) {
-          strncpy(config->domain, value, sizeof(config->domain) - 1);
-          config->domain[sizeof(config->domain) - 1] = '\0';
         } else if (strcmp(key, "locale") == 0) {
-          strncpy(config->default_locale, value, sizeof(config->default_locale) - 1);
+          strncpy(config->default_locale, value,
+                  sizeof(config->default_locale) - 1);
           config->default_locale[sizeof(config->default_locale) - 1] = '\0';
         }
       } else if (strcmp(section, "proxy") == 0) {
diff --git a/src/Main.c b/src/Main.c
index b6551bc..d7ff185 100644
--- a/src/Main.c
+++ b/src/Main.c
@@ -19,17 +19,38 @@
 #include "Utility/Utility.h"
 
 Config global_config;
- 
+
 int handle_opensearch(UrlParams *params) {
   (void)params;
-  extern Config global_config;
   TemplateContext ctx = new_context();
-  context_set(&ctx, "domain", global_config.domain);
+
+  const char *http_host = beaker_get_header("Host");
+  if (http_host == NULL) {
+    http_host = "localhost";
+  }
+
+  const char *req_scheme =
+      "https"; // not sure if it's a good idea to just assume https, but you
+               // should probably be using https for anything other than testing
+               // or local network anyways.
+
+  if (strncmp(http_host, "localhost", 9) == 0 ||
+      strncmp(http_host, "127.", 4) == 0 ||
+      strncmp(http_host, "192.168.", 8) == 0 ||
+      strncmp(http_host, "10.", 3) == 0) {
+    req_scheme = "http";
+  }
+
+  context_set(&ctx, "domain", http_host);
+  context_set(&ctx, "scheme", req_scheme);
+
   char *rendered = render_template("opensearch.xml", &ctx);
-  serve_data(rendered, strlen(rendered), "application/opensearchdescription+xml");
+  serve_data(rendered, strlen(rendered),
+             "application/opensearchdescription+xml");
 
   free(rendered);
   free_context(&ctx);
+
   return 0;
 }
 
@@ -46,7 +67,6 @@ int main() {
 
   Config cfg = {.host = DEFAULT_HOST,
                 .port = DEFAULT_PORT,
-                .domain = "",
                 .default_locale = "en_gb",
                 .proxy = "",
                 .proxy_list_file = "",
@@ -68,6 +88,7 @@ int main() {
   }
 
   set_default_locale(cfg.default_locale);
+  init_themes("static");
 
   global_config = cfg;
 
@@ -75,7 +96,8 @@ int main() {
   if (loaded > 0) {
     fprintf(stderr, "[INFO] Loaded %d locales\n", loaded);
   } else {
-    fprintf(stderr, "[WARN] No locales loaded (make sure to run from omnisearch directory)\n");
+    fprintf(stderr, "[WARN] No locales loaded (make sure to run from "
+                    "omnisearch directory)\n");
   }
 
   apply_engines_config(cfg.engines);
diff --git a/src/Routes/Home.c b/src/Routes/Home.c
index 0534517..bf85fe1 100644
--- a/src/Routes/Home.c
+++ b/src/Routes/Home.c
@@ -2,12 +2,17 @@
 #include "../Utility/Utility.h"
 #include <beaker.h>
 #include <stdlib.h>
+#include <string.h>
 
 int home_handler(UrlParams *params) {
   (void)params;
   char *theme = get_theme("");
   char *locale = get_locale(NULL);
 
+  char **themes = NULL;
+  int themes_count = 0;
+  get_available_themes(&themes, &themes_count);
+
   TemplateContext ctx = new_context();
   context_set(&ctx, "theme", theme);
   context_set(&ctx, "version", VERSION);
diff --git a/src/Routes/Images.c b/src/Routes/Images.c
index dda329c..40ab88f 100644
--- a/src/Routes/Images.c
+++ b/src/Routes/Images.c
@@ -6,6 +6,8 @@
 #include "../Utility/Utility.h"
 #include "Config.h"
 #include <beaker.h>
+#include <stdlib.h>
+#include <string.h>
 
 static char *build_images_request_cache_key(const char *query, int page,
                                             const char *client_key) {
@@ -67,15 +69,18 @@ int images_handler(UrlParams *params) {
   beaker_set_locale(&ctx, locale);
 
   const char *rate_limit_msg = beaker_get_locale_value(locale, "rate_limit");
-  if (!rate_limit_msg) rate_limit_msg = "Slow down! Too many image searches from you!";
-  const char *error_images_msg = beaker_get_locale_value(locale, "error_images");
-  if (!error_images_msg) error_images_msg = "Error fetching images";
+  if (!rate_limit_msg)
+    rate_limit_msg = "Slow down! Too many image searches from you!";
+  const char *error_images_msg =
+      beaker_get_locale_value(locale, "error_images");
+  if (!error_images_msg)
+    error_images_msg = "Error fetching images";
 
   char ***pager_matrix = NULL;
   int *pager_inner_counts = NULL;
-  int pager_count = build_pagination(page, images_href_builder,
-                                     (void *)raw_query, &pager_matrix,
-                                     &pager_inner_counts);
+  int pager_count =
+      build_pagination(page, images_href_builder, (void *)raw_query,
+                       &pager_matrix, &pager_inner_counts);
   if (pager_count > 0) {
     context_set_array_of_arrays(&ctx, "pagination_links", pager_matrix,
                                 pager_count, pager_inner_counts);
diff --git a/src/Routes/Settings.c b/src/Routes/Settings.c
index b21dd6f..eb3072b 100644
--- a/src/Routes/Settings.c
+++ b/src/Routes/Settings.c
@@ -32,7 +32,8 @@ int settings_handler(UrlParams *params) {
 
   char **user_engines = NULL;
   int user_engine_count = 0;
-  int has_user_pref = (get_user_engines(&user_engines, &user_engine_count) == 0);
+  int has_user_pref =
+      (get_user_engines(&user_engines, &user_engine_count) == 0);
 
   int enabled_count = 0;
   for (int i = 0; i < ENGINE_COUNT; i++) {
@@ -77,7 +78,34 @@ int settings_handler(UrlParams *params) {
   context_set(&ctx, "query", query);
   context_set(&ctx, "theme", theme);
   context_set(&ctx, "locale", locale);
-  context_set_array_of_arrays(&ctx, "locales", locale_data, locale_count, inner_counts);
+  context_set_array_of_arrays(&ctx, "locales", locale_data, locale_count,
+                              inner_counts);
+
+  char **themes = NULL;
+  int themes_count = 0;
+  get_available_themes(&themes, &themes_count);
+
+  if (themes_count > 0) {
+    char ***theme_ptrs = malloc(sizeof(char **) * themes_count);
+    int *theme_inner = malloc(sizeof(int) * themes_count);
+    for (int i = 0; i < themes_count; i++) {
+      theme_ptrs[i] = malloc(sizeof(char *) * 2);
+      theme_ptrs[i][0] = themes[i];
+      theme_ptrs[i][1] = strdup(themes[i]);
+      if (theme_ptrs[i][1][0] >= 'a' && theme_ptrs[i][1][0] <= 'z') {
+        theme_ptrs[i][1][0] = theme_ptrs[i][1][0] - 'a' + 'A';
+      }
+      theme_inner[i] = 2;
+    }
+    context_set_array_of_arrays(&ctx, "themes", theme_ptrs, themes_count,
+                                theme_inner);
+    for (int i = 0; i < themes_count; i++) {
+      free(theme_ptrs[i][1]);
+      free(theme_ptrs[i]);
+    }
+    free(theme_ptrs);
+    free(theme_inner);
+  }
 
   if (enabled_count > 0) {
     context_set_array_of_arrays(&ctx, "enabled_engines", engine_data,
diff --git a/src/Scraping/ImageScraping.c b/src/Scraping/ImageScraping.c
index 33f710a..2341244 100644
--- a/src/Scraping/ImageScraping.c
+++ b/src/Scraping/ImageScraping.c
@@ -28,113 +28,82 @@ static char *build_proxy_url(const char *image_url) {
   return proxy_url;
 }
 
-static int parse_image_node(xmlNodePtr node, ImageResult *result) {
-  xmlNodePtr img_node = NULL;
-  xmlNodePtr tit_node = NULL;
-  xmlNodePtr des_node = NULL;
-  xmlNodePtr thumb_link = NULL;
+static char *extract_json_string(const char *json, const char *key) {
+  if (!json || !key)
+    return NULL;
 
-  for (xmlNodePtr child = node->children; child; child = child->next) {
-    if (child->type != XML_ELEMENT_NODE)
-      continue;
+  char search_key[64];
+  snprintf(search_key, sizeof(search_key), "\"%s\"", key);
 
-    if (xmlStrcmp(child->name, (const xmlChar *)"a") == 0) {
-      xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
-      if (class) {
-        if (xmlStrstr(class, (const xmlChar *)"thumb") != NULL) {
-          thumb_link = child;
-          for (xmlNodePtr thumb_child = child->children; thumb_child;
-               thumb_child = thumb_child->next) {
-            if (xmlStrcmp(thumb_child->name, (const xmlChar *)"div") == 0) {
-              xmlChar *div_class =
-                  xmlGetProp(thumb_child, (const xmlChar *)"class");
-              if (div_class &&
-                  xmlStrcmp(div_class, (const xmlChar *)"cico") == 0) {
-                for (xmlNodePtr cico_child = thumb_child->children; cico_child;
-                     cico_child = cico_child->next) {
-                  if (xmlStrcmp(cico_child->name, (const xmlChar *)"img") ==
-                      0) {
-                    img_node = cico_child;
-                    break;
-                  }
-                }
-              }
-              if (div_class)
-                xmlFree(div_class);
-            }
-          }
-        } else if (xmlStrstr(class, (const xmlChar *)"tit") != NULL) {
-          tit_node = child;
-        }
-        xmlFree(class);
-      }
-    } else if (xmlStrcmp(child->name, (const xmlChar *)"div") == 0) {
-      xmlChar *class = xmlGetProp(child, (const xmlChar *)"class");
-      if (class && xmlStrcmp(class, (const xmlChar *)"meta") == 0) {
-        for (xmlNodePtr meta_child = child->children; meta_child;
-             meta_child = meta_child->next) {
-          if (xmlStrcmp(meta_child->name, (const xmlChar *)"div") == 0) {
-            xmlChar *div_class =
-                xmlGetProp(meta_child, (const xmlChar *)"class");
-            if (div_class) {
-              if (xmlStrcmp(div_class, (const xmlChar *)"des") == 0) {
-                des_node = meta_child;
-              }
-              xmlFree(div_class);
-            }
-          } else if (xmlStrcmp(meta_child->name, (const xmlChar *)"a") == 0) {
-            xmlChar *a_class = xmlGetProp(meta_child, (const xmlChar *)"class");
-            if (a_class && xmlStrstr(a_class, (const xmlChar *)"tit") != NULL) {
-              tit_node = meta_child;
-            }
-            if (a_class)
-              xmlFree(a_class);
-          }
-        }
-      }
-      if (class)
-        xmlFree(class);
-    }
+  const char *key_pos = strstr(json, search_key);
+  if (!key_pos)
+    return NULL;
+
+  const char *colon = strchr(key_pos + strlen(search_key), ':');
+  if (!colon)
+    return NULL;
+
+  colon++;
+  while (*colon == ' ' || *colon == '\t' || *colon == '\n' || *colon == '\r')
+    colon++;
+
+  if (*colon != '"')
+    return NULL;
+  colon++;
+
+  size_t len = 0;
+  const char *start = colon;
+  while (*colon && *colon != '"') {
+    if (*colon == '\\' && *(colon + 1))
+      colon++;
+    colon++;
+    len++;
   }
 
-  xmlChar *iurl =
-      img_node ? xmlGetProp(img_node, (const xmlChar *)"src") : NULL;
-  xmlChar *full_url =
-      thumb_link ? xmlGetProp(thumb_link, (const xmlChar *)"href") : NULL;
-  xmlChar *title = des_node ? xmlNodeGetContent(des_node)
-                            : (tit_node ? xmlNodeGetContent(tit_node) : NULL);
-  xmlChar *rurl =
-      tit_node ? xmlGetProp(tit_node, (const xmlChar *)"href") : NULL;
+  char *result = malloc(len + 1);
+  if (!result)
+    return NULL;
 
-  if (!iurl || strlen((char *)iurl) == 0) {
-    if (iurl)
-      xmlFree(iurl);
-    if (title)
-      xmlFree(title);
-    if (rurl)
-      xmlFree(rurl);
-    if (full_url)
-      xmlFree(full_url);
-    return 0;
+  colon = start;
+  size_t i = 0;
+  while (*colon && *colon != '"') {
+    if (*colon == '\\' && *(colon + 1))
+      colon++;
+    result[i++] = *colon++;
   }
+  result[i] = '\0';
+
+  return result;
+}
 
-  char *proxy_url = build_proxy_url((char *)iurl);
-  result->thumbnail_url = proxy_url ? strdup(proxy_url) : strdup((char *)iurl);
-  free(proxy_url);
-  result->title = strdup(title ? (char *)title : "Image");
-  result->page_url = strdup(rurl ? (char *)rurl : "#");
-  result->full_url = strdup(full_url ? (char *)full_url : "#");
+static int parse_iusc_node(xmlNodePtr node, ImageResult *result) {
+  xmlChar *m_attr = xmlGetProp(node, (const xmlChar *)"m");
+  if (!m_attr)
+    return 0;
+
+  char *turl = extract_json_string((const char *)m_attr, "turl");
+  char *murl = extract_json_string((const char *)m_attr, "murl");
+  char *purl = extract_json_string((const char *)m_attr, "purl");
+  char *title = extract_json_string((const char *)m_attr, "t");
+
+  int ok = (turl != NULL && strlen(turl) > 0);
+  if (ok) {
+    char *proxy_url = build_proxy_url(turl);
+    result->thumbnail_url = proxy_url ? strdup(proxy_url) : strdup(turl);
+    free(proxy_url);
+    result->title =
+        title && strlen(title) > 0 ? strdup(title) : strdup("Image");
+    result->page_url = purl && strlen(purl) > 0 ? strdup(purl) : strdup("#");
+    result->full_url = murl && strlen(murl) > 0 ? strdup(murl) : strdup("#");
+  }
 
-  if (iurl)
-    xmlFree(iurl);
-  if (title)
-    xmlFree(title);
-  if (rurl)
-    xmlFree(rurl);
-  if (full_url)
-    xmlFree(full_url);
+  free(turl);
+  free(murl);
+  free(purl);
+  free(title);
 
-  return 1;
+  xmlFree(m_attr);
+  return ok;
 }
 
 int scrape_images(const char *query, int page, ImageResult **out_results,
@@ -157,13 +126,16 @@ int scrape_images(const char *query, int page, ImageResult **out_results,
 
   char url[BUFFER_SIZE_LARGE];
   int first = (page - 1) * IMAGE_RESULTS_PER_PAGE + 1;
-  snprintf(url, sizeof(url), "%s?q=%s&first=%d", BING_IMAGE_URL, encoded_query,
-           first);
+  snprintf(
+      url, sizeof(url),
+      "https://www.bing.com/images/async?q=%s&async=content&first=%d&count=%d",
+      encoded_query, first, 35);
   free(encoded_query);
 
   HttpResponse resp = http_get(
       url,
-      "Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko");
+      "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, "
+      "like Gecko) Chrome/120.0.0.0 Safari/537.36");
   if (!resp.memory) {
     return -1;
   }
@@ -183,7 +155,7 @@ int scrape_images(const char *query, int page, ImageResult **out_results,
   }
 
   xmlXPathObjectPtr xpathObj =
-      xmlXPathEvalExpression((const xmlChar *)"//div[@class='item']", xpathCtx);
+      xmlXPathEvalExpression((const xmlChar *)"//a[@class='iusc']", xpathCtx);
 
   if (!xpathObj || !xpathObj->nodesetval) {
     if (xpathObj)
@@ -210,7 +182,7 @@ int scrape_images(const char *query, int page, ImageResult **out_results,
   int count = 0;
   for (int i = 0; i < nodes && count < IMAGE_RESULTS_PER_PAGE; i++) {
     xmlNodePtr node = xpathObj->nodesetval->nodeTab[i];
-    if (parse_image_node(node, &results[count])) {
+    if (parse_iusc_node(node, &results[count])) {
       count++;
     }
   }
diff --git a/src/Utility/HttpClient.c b/src/Utility/HttpClient.c
index bdd2f4d..0ffb9ff 100644
--- a/src/Utility/HttpClient.c
+++ b/src/Utility/HttpClient.c
@@ -31,6 +31,17 @@ static size_t write_callback(void *contents, size_t size, size_t nmemb,
   return realsize;
 }
 
+static struct curl_slist *build_http_headers(void) {
+  struct curl_slist *headers = NULL;
+  headers = curl_slist_append(
+      headers,
+      "Accept: "
+      "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
+  headers = curl_slist_append(headers, "Accept-Language: en-US,en;q=0.5");
+  headers = curl_slist_append(headers, "DNT: 1");
+  return headers;
+}
+
 HttpResponse http_get(const char *url, const char *user_agent) {
   HttpResponse resp = {.memory = NULL, .size = 0, .capacity = 0};
 
@@ -51,16 +62,24 @@ HttpResponse http_get(const char *url, const char *user_agent) {
     return resp;
   }
 
+  struct curl_slist *headers = build_http_headers();
+
   curl_easy_setopt(curl, CURLOPT_URL, url);
+  curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
   curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
   curl_easy_setopt(curl, CURLOPT_WRITEDATA, &resp);
   curl_easy_setopt(curl, CURLOPT_USERAGENT,
                    user_agent ? user_agent : "libcurl-agent/1.0");
   curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
-  curl_easy_setopt(curl, CURLOPT_TIMEOUT, 15L);
+  curl_easy_setopt(curl, CURLOPT_TIMEOUT, CURL_TIMEOUT_SECS);
+  curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2_0);
+  curl_easy_setopt(curl, CURLOPT_ACCEPT_ENCODING, "");
+  curl_easy_setopt(curl, CURLOPT_DNS_CACHE_TIMEOUT, CURL_DNS_TIMEOUT_SECS);
+  curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 1L);
   apply_proxy_settings(curl);
 
   CURLcode res = curl_easy_perform(curl);
+  curl_slist_free_all(headers);
   curl_easy_cleanup(curl);
 
   if (res != CURLE_OK) {
diff --git a/src/Utility/Utility.c b/src/Utility/Utility.c
index 8bcb748..1428722 100644
--- a/src/Utility/Utility.c
+++ b/src/Utility/Utility.c
@@ -1,11 +1,80 @@
 #include "Utility.h"
 #include "../Scraping/Scraping.h"
 #include <beaker.h>
+#include <dirent.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 static char global_default_locale[32] = "en_gb";
+static char **themes_list = NULL;
+static int themes_count = 0;
+static int themes_initialized = 0;
+
+void init_themes(const char *static_path) {
+  if (themes_initialized)
+    return;
+  themes_initialized = 1;
+
+  char themes_dir[512];
+  snprintf(themes_dir, sizeof(themes_dir), "%s/themes", static_path);
+
+  DIR *dir = opendir(themes_dir);
+  if (!dir)
+    return;
+
+  struct dirent *entry;
+  int capacity = 4;
+  themes_list = malloc(sizeof(char *) * capacity);
+  themes_count = 0;
+
+  while ((entry = readdir(dir)) != NULL) {
+    size_t len = strlen(entry->d_name);
+    if (len > 4 && strcmp(entry->d_name + len - 4, ".css") == 0) {
+      if (themes_count >= capacity) {
+        capacity *= 2;
+        themes_list = realloc(themes_list, sizeof(char *) * capacity);
+      }
+      themes_list[themes_count] = strndup(entry->d_name, len - 4);
+      themes_count++;
+    }
+  }
+  closedir(dir);
+
+  for (int i = 0; i < themes_count; i++) {
+    for (int j = i + 1; j < themes_count; j++) {
+      int priority_i = 0, priority_j = 0;
+      if (strcmp(themes_list[i], "system") == 0)
+        priority_i = 0;
+      else if (strcmp(themes_list[i], "light") == 0)
+        priority_i = 1;
+      else if (strcmp(themes_list[i], "dark") == 0)
+        priority_i = 2;
+      else
+        priority_i = 3;
+      if (strcmp(themes_list[j], "system") == 0)
+        priority_j = 0;
+      else if (strcmp(themes_list[j], "light") == 0)
+        priority_j = 1;
+      else if (strcmp(themes_list[j], "dark") == 0)
+        priority_j = 2;
+      else
+        priority_j = 3;
+      if (priority_i > priority_j ||
+          (priority_i == priority_j &&
+           strcmp(themes_list[i], themes_list[j]) > 0)) {
+        char *tmp = themes_list[i];
+        themes_list[i] = themes_list[j];
+        themes_list[j] = tmp;
+      }
+    }
+  }
+}
+
+void get_available_themes(char ***out_themes, int *out_count) {
+  *out_themes = themes_list;
+  *out_count = themes_count;
+}
 
 void set_default_locale(const char *locale) {
   if (locale && strlen(locale) > 0) {
@@ -26,13 +95,16 @@ int hex_to_int(char c) {
 
 char *get_theme(const char *default_theme) {
   char *cookie = get_cookie("theme");
-  if (cookie &&
-      (strcmp(cookie, "light") == 0 ||
-       strcmp(cookie, "dark") == 0)) {
-    return cookie;
+  if (cookie && strlen(cookie) > 0) {
+    for (int i = 0; i < themes_count; i++) {
+      if (strcmp(cookie, themes_list[i]) == 0) {
+        return cookie;
+      }
+    }
   }
   free(cookie);
-  return strdup(default_theme);
+  return strdup(default_theme && strlen(default_theme) > 0 ? default_theme
+                                                           : "system");
 }
 
 char *get_locale(const char *default_locale) {
@@ -41,7 +113,8 @@ char *get_locale(const char *default_locale) {
     return cookie;
   }
   free(cookie);
-  const char *fallback = default_locale ? default_locale : global_default_locale;
+  const char *fallback =
+      default_locale ? default_locale : global_default_locale;
   return strdup(fallback);
 }
 
@@ -49,9 +122,12 @@ static int engine_id_casecmp(const char *a, const char *b) {
   while (*a && *b) {
     char la = *a;
     char lb = *b;
-    if (la >= 'A' && la <= 'Z') la = la - 'A' + 'a';
-    if (lb >= 'A' && lb <= 'Z') lb = lb - 'A' + 'a';
-    if (la != lb) return 0;
+    if (la >= 'A' && la <= 'Z')
+      la = la - 'A' + 'a';
+    if (lb >= 'A' && lb <= 'Z')
+      lb = lb - 'A' + 'a';
+    if (la != lb)
+      return 0;
     a++;
     b++;
   }
@@ -59,7 +135,8 @@ static int engine_id_casecmp(const char *a, const char *b) {
 }
 
 int is_engine_id_enabled(const char *engine_id) {
-  if (!engine_id) return 0;
+  if (!engine_id)
+    return 0;
   for (int i = 0; i < ENGINE_COUNT; i++) {
     if (ENGINE_REGISTRY[i].enabled &&
         engine_id_casecmp(ENGINE_REGISTRY[i].id, engine_id)) {
@@ -120,7 +197,8 @@ int get_user_engines(char ***out_ids, int *out_count) {
 }
 
 int user_engines_contains(const char *engine_id, char **ids, int count) {
-  if (!engine_id || !ids) return 0;
+  if (!engine_id || !ids)
+    return 0;
   for (int i = 0; i < count; i++) {
     if (engine_id_casecmp(ids[i], engine_id))
       return 1;
@@ -135,8 +213,7 @@ int add_link_to_collection(const char *href, const char *label,
   int *old_inner_counts = *inner_counts;
   char ***new_collection =
       (char ***)malloc(sizeof(char **) * (current_count + 1));
-  int *new_inner_counts =
-      (int *)malloc(sizeof(int) * (current_count + 1));
+  int *new_inner_counts = (int *)malloc(sizeof(int) * (current_count + 1));
 
   if (!new_collection || !new_inner_counts) {
     free(new_collection);
@@ -188,9 +265,8 @@ int add_link_to_collection(const char *href, const char *label,
   return current_count + 1;
 }
 
-int build_pagination(int page,
-                     char *(*href_builder)(int page, void *data), void *data,
-                     char ****out_matrix, int **out_inner_counts) {
+int build_pagination(int page, char *(*href_builder)(int page, void *data),
+                     void *data, char ****out_matrix, int **out_inner_counts) {
   enum { PAGER_WINDOW_SIZE = 5 };
 
   *out_matrix = NULL;
@@ -202,8 +278,8 @@ int build_pagination(int page,
 
   if (page > 1) {
     char *href = href_builder(page - 1, data);
-    count = add_link_to_collection(href, "←", "pagination-btn prev",
-                                   out_matrix, out_inner_counts, count);
+    count = add_link_to_collection(href, "←", "pagination-btn prev", out_matrix,
+                                   out_inner_counts, count);
     free(href);
   }
 
@@ -219,8 +295,8 @@ int build_pagination(int page,
   }
 
   char *href = href_builder(page + 1, data);
-  count = add_link_to_collection(href, "→", "pagination-btn next",
-                                 out_matrix, out_inner_counts, count);
+  count = add_link_to_collection(href, "→", "pagination-btn next", out_matrix,
+                                 out_inner_counts, count);
   free(href);
 
   return count;
diff --git a/src/Utility/Utility.h b/src/Utility/Utility.h
index bd48295..1e1de09 100644
--- a/src/Utility/Utility.h
+++ b/src/Utility/Utility.h
@@ -15,6 +15,8 @@
 
 int hex_to_int(char c);
 char *get_theme(const char *default_theme);
+void init_themes(const char *static_path);
+void get_available_themes(char ***out_themes, int *out_count);
 void set_default_locale(const char *locale);
 char *get_locale(const char *default_locale);
 
@@ -26,8 +28,7 @@ int add_link_to_collection(const char *href, const char *label,
                            const char *class_name, char ****collection,
                            int **inner_counts, int current_count);
 
-int build_pagination(int page,
-                     char *(*href_builder)(int page, void *data), void *data,
-                     char ****out_matrix, int **out_inner_counts);
+int build_pagination(int page, char *(*href_builder)(int page, void *data),
+                     void *data, char ****out_matrix, int **out_inner_counts);
 
 #endif