Added basic backend code, two api endpoints & sanitization

1 files changed, 62 insertions, 0 deletions

diff --git a/api/git.js b/api/git.js
new file mode 100644
index 0000000..b8d89c3
--- /dev/null
+++ b/api/git.js
@@ -0,0 +1,62 @@
+const { exec } = require("child_process");
+
+const log_format='{"hash": "%H", "author": "%an", "author_email": "%ae", "date": "%at", "subject": "%s"}'
+
+function getLog(path)
+{
+	return new Promise((resolve) =>
+	{
+		exec(`git -C ${path} log --format=format:'${log_format}'`, (error, stdout, stderr) =>
+		{
+			if(error) {
+				const no_such_fileor_dir = new RegExp(`cannot change to '${path.replace('/', "\/")}': No such file or directory\\n$`);
+
+				if(no_such_fileor_dir.test(error.message)) {
+					resolve({ "error": 404 });
+					return;
+				}
+				resolve({ "error": error.message });
+				return;
+			}
+			if(stderr) {
+				resolve({ "error": "Failed to communicate with git!" });
+				return;
+			}
+
+			const log = stdout.split('\n');
+			log.forEach((entry, index) => log[index] = JSON.parse(entry));
+
+			resolve({ "data": log });
+		});
+	});
+}
+
+function getTimeSinceLatestCommit(path)
+{
+	return new Promise((resolve) =>
+	{
+		exec(`git -C ${path} log -n 1 --date=unix'`, (error, stdout, stderr) =>
+		{
+			if(error) {
+				const no_such_fileor_dir = new RegExp(`cannot change to '${path.replace('/', "\/")}': No such file or directory\\n$`);
+
+				if(no_such_fileor_dir.test(error.message)) {
+					resolve({ "error": 404 });
+					return;
+				}
+				resolve({ "error": error.message });
+				return;
+			}
+			if(stderr) {
+				resolve({ "error": "Failed to communicate with git!" });
+				return;
+			}
+
+			const 
+
+			resolve({ "data": log });
+		});
+	});
+}
+
+module.exports.getLog = getLog;
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