v0.1.9 - program generates it's own private keys.

src/admin_handlers.c

@@ -0,0 +1,216 @@
+/*
+ * Ginxsom Admin Command Handlers
+ * Implements execution of admin commands received via Kind 23456 events
+ */
+
+#include "ginxsom.h"
+#include <cjson/cJSON.h>
+#include <sqlite3.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/statvfs.h>
+#include <dirent.h>
+
+// Forward declarations
+static cJSON* handle_blob_list(char **args, int arg_count);
+static cJSON* handle_blob_info(char **args, int arg_count);
+static cJSON* handle_blob_delete(char **args, int arg_count);
+static cJSON* handle_storage_stats(char **args, int arg_count);
+static cJSON* handle_config_get(char **args, int arg_count);
+static cJSON* handle_config_set(char **args, int arg_count);
+static cJSON* handle_help(char **args, int arg_count);
+
+// Command dispatch table
+typedef struct {
+    const char *command;
+    cJSON* (*handler)(char **args, int arg_count);
+    const char *description;
+} admin_command_t;
+
+static admin_command_t command_table[] = {
+    {"blob_list", handle_blob_list, "List all blobs"},
+    {"blob_info", handle_blob_info, "Get blob information"},
+    {"blob_delete", handle_blob_delete, "Delete a blob"},
+    {"storage_stats", handle_storage_stats, "Get storage statistics"},
+    {"config_get", handle_config_get, "Get configuration value"},
+    {"config_set", handle_config_set, "Set configuration value"},
+    {"help", handle_help, "Show available commands"},
+    {NULL, NULL, NULL}
+};
+
+// Execute admin command and return JSON response
+int execute_admin_command(char **command_array, int command_count, char **response_json_out) {
+    if (!command_array || command_count < 1 || !response_json_out) {
+        return -1;
+    }
+
+    const char *command = command_array[0];
+    
+    // Find command handler
+    admin_command_t *cmd = NULL;
+    for (int i = 0; command_table[i].command != NULL; i++) {
+        if (strcmp(command_table[i].command, command) == 0) {
+            cmd = &command_table[i];
+            break;
+        }
+    }
+
+    cJSON *response;
+    if (cmd) {
+        // Execute command handler
+        response = cmd->handler(command_array + 1, command_count - 1);
+    } else {
+        // Unknown command
+        response = cJSON_CreateObject();
+        cJSON_AddStringToObject(response, "status", "error");
+        cJSON_AddStringToObject(response, "message", "Unknown command");
+        cJSON_AddStringToObject(response, "command", command);
+    }
+
+    // Convert response to JSON string
+    char *json_str = cJSON_PrintUnformatted(response);
+    cJSON_Delete(response);
+
+    if (!json_str) {
+        return -1;
+    }
+
+    *response_json_out = json_str;
+    return 0;
+}
+
+// Command handlers
+
+static cJSON* handle_blob_list(char **args __attribute__((unused)), int arg_count __attribute__((unused))) {
+    cJSON *response = cJSON_CreateObject();
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "blob_list");
+    
+    // TODO: Implement actual blob listing from database
+    cJSON *blobs = cJSON_CreateArray();
+    cJSON_AddItemToObject(response, "blobs", blobs);
+    cJSON_AddNumberToObject(response, "count", 0);
+    
+    return response;
+}
+
+static cJSON* handle_blob_info(char **args, int arg_count) {
+    cJSON *response = cJSON_CreateObject();
+    
+    if (arg_count < 1) {
+        cJSON_AddStringToObject(response, "status", "error");
+        cJSON_AddStringToObject(response, "message", "Missing blob hash argument");
+        return response;
+    }
+    
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "blob_info");
+    cJSON_AddStringToObject(response, "hash", args[0]);
+    
+    // TODO: Implement actual blob info retrieval from database
+    cJSON_AddStringToObject(response, "message", "Not yet implemented");
+    
+    return response;
+}
+
+static cJSON* handle_blob_delete(char **args, int arg_count) {
+    cJSON *response = cJSON_CreateObject();
+    
+    if (arg_count < 1) {
+        cJSON_AddStringToObject(response, "status", "error");
+        cJSON_AddStringToObject(response, "message", "Missing blob hash argument");
+        return response;
+    }
+    
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "blob_delete");
+    cJSON_AddStringToObject(response, "hash", args[0]);
+    
+    // TODO: Implement actual blob deletion
+    cJSON_AddStringToObject(response, "message", "Not yet implemented");
+    
+    return response;
+}
+
+static cJSON* handle_storage_stats(char **args __attribute__((unused)), int arg_count __attribute__((unused))) {
+    cJSON *response = cJSON_CreateObject();
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "storage_stats");
+    
+    // Get filesystem stats
+    struct statvfs stat;
+    if (statvfs(".", &stat) == 0) {
+        unsigned long long total = stat.f_blocks * stat.f_frsize;
+        unsigned long long available = stat.f_bavail * stat.f_frsize;
+        unsigned long long used = total - available;
+        
+        cJSON_AddNumberToObject(response, "total_bytes", (double)total);
+        cJSON_AddNumberToObject(response, "used_bytes", (double)used);
+        cJSON_AddNumberToObject(response, "available_bytes", (double)available);
+    }
+    
+    // TODO: Add blob count and total blob size from database
+    cJSON_AddNumberToObject(response, "blob_count", 0);
+    cJSON_AddNumberToObject(response, "blob_total_bytes", 0);
+    
+    return response;
+}
+
+static cJSON* handle_config_get(char **args, int arg_count) {
+    cJSON *response = cJSON_CreateObject();
+    
+    if (arg_count < 1) {
+        cJSON_AddStringToObject(response, "status", "error");
+        cJSON_AddStringToObject(response, "message", "Missing config key argument");
+        return response;
+    }
+    
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "config_get");
+    cJSON_AddStringToObject(response, "key", args[0]);
+    
+    // TODO: Implement actual config retrieval from database
+    cJSON_AddStringToObject(response, "value", "");
+    cJSON_AddStringToObject(response, "message", "Not yet implemented");
+    
+    return response;
+}
+
+static cJSON* handle_config_set(char **args, int arg_count) {
+    cJSON *response = cJSON_CreateObject();
+    
+    if (arg_count < 2) {
+        cJSON_AddStringToObject(response, "status", "error");
+        cJSON_AddStringToObject(response, "message", "Missing config key or value argument");
+        return response;
+    }
+    
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "config_set");
+    cJSON_AddStringToObject(response, "key", args[0]);
+    cJSON_AddStringToObject(response, "value", args[1]);
+    
+    // TODO: Implement actual config update in database
+    cJSON_AddStringToObject(response, "message", "Not yet implemented");
+    
+    return response;
+}
+
+static cJSON* handle_help(char **args __attribute__((unused)), int arg_count __attribute__((unused))) {
+    cJSON *response = cJSON_CreateObject();
+    cJSON_AddStringToObject(response, "status", "success");
+    cJSON_AddStringToObject(response, "command", "help");
+    
+    cJSON *commands = cJSON_CreateArray();
+    for (int i = 0; command_table[i].command != NULL; i++) {
+        cJSON *cmd = cJSON_CreateObject();
+        cJSON_AddStringToObject(cmd, "command", command_table[i].command);
+        cJSON_AddStringToObject(cmd, "description", command_table[i].description);
+        cJSON_AddItemToArray(commands, cmd);
+    }
+    
+    cJSON_AddItemToObject(response, "commands", commands);
+    
+    return response;
+}