From 316bd60579ea11daca4fa25e2720b7fa147cc7ba Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Wed, 30 May 2018 23:53:26 +0200
Subject: git-receiver: centralize settings to reuse later

---
 src/blogc-git-receiver/settings.c | 99 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 src/blogc-git-receiver/settings.c

(limited to 'src/blogc-git-receiver/settings.c')

diff --git a/src/blogc-git-receiver/settings.c b/src/blogc-git-receiver/settings.c
new file mode 100644
index 0000000..514fcdf
--- /dev/null
+++ b/src/blogc-git-receiver/settings.c
@@ -0,0 +1,99 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2017 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#include <stdio.h>
+#include <libgen.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+#include "../common/utils.h"
+#include "../common/config-parser.h"
+#include "../common/error.h"
+#include "../common/file.h"
+#include "settings.h"
+
+
+const char*
+bgr_settings_get_basedir(void)
+{
+    char *rv = getenv("BLOGC_GIT_RECEIVER_BASEDIR");
+    if (rv != NULL) {
+        return rv;
+    }
+    return getenv("HOME");
+}
+
+
+char*
+bgr_settings_get_section(bc_config_t *config, const char *repo_path)
+{
+    const char *bd = bgr_settings_get_basedir();
+    if (bd == NULL) {
+        return NULL;
+    }
+    char *rv = NULL;
+    char** sections = bc_config_list_sections(config);
+    for (size_t i = 0; sections[i] != NULL; i++) {
+        if (bc_str_starts_with(sections[i], "repo:")) {
+            char *tmp_repo = bc_strdup_printf("%s/repos/%s", bd, sections[i] + 5);
+            char *real_tmp_repo = realpath(tmp_repo, NULL);  // maybe not needed
+            free(tmp_repo);
+            if (real_tmp_repo == NULL)
+                continue;
+            if (0 == strcmp(real_tmp_repo, repo_path)) {
+                rv = bc_strdup(sections[i]);
+                free(real_tmp_repo);
+                break;
+            }
+            free(real_tmp_repo);
+        }
+    }
+    bc_strv_free(sections);
+    return rv;
+}
+
+
+bc_config_t*
+bgr_settings_parse(void)
+{
+    const char *bd = bgr_settings_get_basedir();
+    if (bd == NULL) {
+        return NULL;
+    }
+    char *config_file = bc_strdup_printf("%s/blogc-git-receiver.ini", bd);
+    if ((0 != access(config_file, F_OK))) {
+        free(config_file);
+        return NULL;
+    }
+
+    size_t len;
+    bc_error_t *err = NULL;
+    char* config_content = bc_file_get_contents(config_file, true, &len, &err);
+    if (err != NULL) {
+        fprintf(stderr, "warning: failed to read configuration file (%s): %s\n",
+            config_file, err->msg);
+        bc_error_free(err);
+        free(config_file);
+        free(config_content);
+        return NULL;
+    }
+
+    bc_config_t *config = bc_config_parse(config_content, len, NULL, &err);
+    free(config_content);
+    if (err != NULL) {
+        fprintf(stderr, "warning: failed to parse configuration file (%s): %s\n",
+            config_file, err->msg);
+        bc_error_free(err);
+        free(config_file);
+        return NULL;
+    }
+    free(config_file);
+
+    return config;
+}
-- 
cgit v1.2.3-18-g5258