proof of concept

src/install.c

@@ -0,0 +1,105 @@
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <glib.h>
+#include "install.h"
+#include "main.h"
+
+//TODO: replace ALL system call by execv / execl since it make my code into swiss cheese
+
+void unzip(const char * path, const char * outdir) {
+    char * unzipCommand = g_strconcat("/bin/sh -c 'yes | unzip \"", path, "\" -d \"" , outdir, "\" > /dev/null'", NULL);
+    if(system(unzipCommand) != 0) {
+        printf("\nFailed to unzip archive\n");
+        exit(EXIT_FAILURE);
+    }
+    free(unzipCommand);
+
+}
+
+void unrar(const char * path, const char * outdir) {
+    char * unrarCommand = g_strconcat("/bin/sh -c 'unrar -y x \"", path, "\" \"", outdir, "\" > /dev/null'", NULL);
+    if(system(unrarCommand) != 0) {
+        printf("Failed to unzip archive\n");
+        exit(EXIT_FAILURE);
+    }
+    free(unrarCommand);
+}
+
+void un7z(const char * path, const char * outdir) {
+    char * un7zCommand = g_strconcat("/bin/sh -c 'yes | 7z x \"", path, "\" \"-o", outdir, "\" > /dev/null'", NULL);
+    if(system(un7zCommand) != 0) {
+        printf("Failed to unzip archive\n");
+        exit(EXIT_FAILURE);
+    }
+    free(un7zCommand);
+}
+
+char * extractLastPart(const char * filePath, const char delimeter) {
+int length = strlen(filePath);
+    int index = -1;
+    for(int i= length -1; i >= 0; i--) {
+        if(filePath[i] == delimeter) {
+            index = i + 1;
+            break;
+        }
+    }
+
+    if(index <= 0) return NULL;
+    char * extension = malloc((length - index) * sizeof(char));
+    memcpy(extension, &filePath[index], (length - index));
+    return extension;
+}
+
+char * extractExtension(const char * filePath) {
+    return extractLastPart(filePath, '.');
+}
+
+char * extractFileName(const char * filePath) {
+    return extractLastPart(filePath, '/');
+}
+
+
+void addMod(const char * filePath, int appId) {
+	if (access(filePath, F_OK) != 0) {
+        printf("File not found\n");
+        exit(EXIT_FAILURE);
+	}
+
+    char * configFolder = g_build_filename(getenv("HOME"), MANAGER_FILES, NULL);
+	if(g_mkdir_with_parents(configFolder, 0755) < 0) {
+        printf("Could not create mod folder");
+        exit(EXIT_FAILURE);
+    }
+
+    char * filename = extractFileName(filePath);
+    char * extension = extractExtension(filename);
+    char * lowercaseExtension = g_ascii_strdown(extension, -1);
+    free(extension);
+
+    char appIdStr[20];
+    sprintf(appIdStr, "%d", appId);
+
+    char * outdir = g_build_filename(configFolder, MOD_FOLDER_NAME, appIdStr, filename, NULL);
+
+    g_mkdir_with_parents(outdir, 0755);
+    printf("Adding mod, this process can be slow depending on your hardware\n");
+    if(strcmp(lowercaseExtension, "rar") == 0) {
+        unrar(filePath, outdir);
+    } else if (strcmp(lowercaseExtension, "zip") == 0) {
+        unzip(filePath, outdir);
+    } else if (strcmp(lowercaseExtension, "7z") == 0) {
+        un7z(filePath, outdir);
+    } else {
+        printf("Unsupported format only zip/7z/rar are supported\n");
+        exit(EXIT_FAILURE);
+    }
+
+    printf("Done\n");
+
+    free(lowercaseExtension);
+    free(filename);
+    free(outdir);
+}