Initial commit (from f5274cbdce4ae7c9e4b937dcdf95ac70ae436d5f)

src/config-utils.ts

@@ -0,0 +1,140 @@
+import * as core from '@actions/core';
+import * as io from '@actions/io';
+import * as fs from 'fs';
+import * as yaml from 'js-yaml';
+import * as path from 'path';
+
+export class ExternalQuery {
+    public repository: string;
+    public ref: string;
+    public path = '';
+
+    constructor(repository: string, ref: string) {
+        this.repository = repository;
+        this.ref = ref;
+    }
+}
+
+export class Config {
+    public name = "";
+    public additionalQueries: string[] = [];
+    public externalQueries: ExternalQuery[] = [];
+    public pathsIgnore: string[] = [];
+    public paths: string[] = [];
+
+    public addQuery(queryUses: string) {
+        // The logic for parsing the string is based on what actions does for
+        // parsing the 'uses' actions in the workflow file
+
+        if (queryUses === "") {
+            throw '"uses" value for queries cannot be blank';
+        }
+
+        if (queryUses.startsWith("./")) {
+            this.additionalQueries.push(queryUses.slice(2));
+            return;
+        }
+
+        let tok = queryUses.split('@');
+        if (tok.length !== 2) {
+            throw '"uses" value for queries must be a path, or owner/repo@ref \n Found: ' + queryUses;
+        }
+
+        const ref = tok[1];
+        tok = tok[0].split('/');
+        // The first token is the owner
+        // The second token is the repo
+        // The rest is a path, if there is more than one token combine them to form the full path
+        if (tok.length > 3) {
+            tok = [tok[0], tok[1], tok.slice(2).join('/')];
+        }
+
+        if (tok.length < 2) {
+            throw '"uses" value for queries must be a path, or owner/repo@ref \n Found: ' + queryUses;
+        }
+
+        let external = new ExternalQuery(tok[0] + '/' + tok[1], ref);
+        if (tok.length === 3) {
+            external.path = tok[2];
+        }
+        this.externalQueries.push(external);
+    }
+}
+
+const configFolder = process.env['RUNNER_WORKSPACE'] || '/tmp/codeql-action';
+
+function initConfig(): Config {
+    const configFile = core.getInput('config-file');
+
+    const config = new Config();
+
+    // If no config file was provided create an empty one
+    if (configFile === '') {
+        core.debug('No configuration file was provided');
+        return config;
+    }
+
+    try {
+        const parsedYAML = yaml.safeLoad(fs.readFileSync(configFile, 'utf8'));
+
+        if (parsedYAML.name && typeof parsedYAML.name === "string") {
+            config.name = parsedYAML.name;
+        }
+
+        const queries = parsedYAML.queries;
+        if (queries && queries instanceof Array) {
+            queries.forEach(query => {
+                if (query.uses && typeof query.uses === "string") {
+                    config.addQuery(query.uses);
+                }
+            });
+        }
+
+        const pathsIgnore = parsedYAML['paths-ignore'];
+        if (pathsIgnore && queries instanceof Array) {
+            pathsIgnore.forEach(path => {
+                if (typeof path === "string") {
+                    config.pathsIgnore.push(path);
+                }
+            });
+        }
+
+        const paths = parsedYAML.paths;
+        if (paths && paths instanceof Array) {
+            paths.forEach(path => {
+                if (typeof path === "string") {
+                    config.paths.push(path);
+                }
+            });
+        }
+    } catch (err) {
+        core.setFailed(err);
+    }
+
+    return config;
+}
+
+async function saveConfig(config: Config) {
+    const configString = JSON.stringify(config);
+    await io.mkdirP(configFolder);
+    fs.writeFileSync(path.join(configFolder, 'config'), configString, 'utf8');
+    core.debug('Saved config:');
+    core.debug(configString);
+}
+
+export async function loadConfig(): Promise<Config> {
+    const configFile = path.join(configFolder, 'config');
+    if (fs.existsSync(configFile)) {
+        const configString = fs.readFileSync(configFile, 'utf8');
+        core.debug('Loaded config:');
+        core.debug(configString);
+        return JSON.parse(configString);
+
+    } else {
+        const config = initConfig();
+        core.debug('Initialized config:');
+        core.debug(JSON.stringify(config));
+        await saveConfig(config);
+        return config;
+    }
+}