discord-rpc/src/discord_register_linux.cpp
Kenny McCormick 34ce3ac803 fix "destopFileFormat" typo (#283)
resolution for #282
2019-04-30 11:39:14 -07:00

103 lines
3.0 KiB
C++

#include "discord_rpc.h"
#include "discord_register.h"
#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
static bool Mkdir(const char* path)
{
int result = mkdir(path, 0755);
if (result == 0) {
return true;
}
if (errno == EEXIST) {
return true;
}
return false;
}
// we want to register games so we can run them from Discord client as discord-<appid>://
extern "C" DISCORD_EXPORT void Discord_Register(const char* applicationId, const char* command)
{
// Add a desktop file and update some mime handlers so that xdg-open does the right thing.
const char* home = getenv("HOME");
if (!home) {
return;
}
char exePath[1024];
if (!command || !command[0]) {
ssize_t size = readlink("/proc/self/exe", exePath, sizeof(exePath));
if (size <= 0 || size >= (ssize_t)sizeof(exePath)) {
return;
}
exePath[size] = '\0';
command = exePath;
}
const char* desktopFileFormat = "[Desktop Entry]\n"
"Name=Game %s\n"
"Exec=%s %%u\n" // note: it really wants that %u in there
"Type=Application\n"
"NoDisplay=true\n"
"Categories=Discord;Games;\n"
"MimeType=x-scheme-handler/discord-%s;\n";
char desktopFile[2048];
int fileLen = snprintf(
desktopFile, sizeof(desktopFile), desktopFileFormat, applicationId, command, applicationId);
if (fileLen <= 0) {
return;
}
char desktopFilename[256];
snprintf(desktopFilename, sizeof(desktopFilename), "/discord-%s.desktop", applicationId);
char desktopFilePath[1024];
snprintf(desktopFilePath, sizeof(desktopFilePath), "%s/.local", home);
if (!Mkdir(desktopFilePath)) {
return;
}
strcat(desktopFilePath, "/share");
if (!Mkdir(desktopFilePath)) {
return;
}
strcat(desktopFilePath, "/applications");
if (!Mkdir(desktopFilePath)) {
return;
}
strcat(desktopFilePath, desktopFilename);
FILE* fp = fopen(desktopFilePath, "w");
if (fp) {
fwrite(desktopFile, 1, fileLen, fp);
fclose(fp);
}
else {
return;
}
char xdgMimeCommand[1024];
snprintf(xdgMimeCommand,
sizeof(xdgMimeCommand),
"xdg-mime default discord-%s.desktop x-scheme-handler/discord-%s",
applicationId,
applicationId);
if (system(xdgMimeCommand) < 0) {
fprintf(stderr, "Failed to register mime handler\n");
}
}
extern "C" DISCORD_EXPORT void Discord_RegisterSteamGame(const char* applicationId,
const char* steamId)
{
char command[256];
sprintf(command, "xdg-open steam://rungameid/%s", steamId);
Discord_Register(applicationId, command);
}