/
base.ts
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/
base.ts
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// TODO: types (#22198)
import URL from 'node:url';
import { GlobalConfig } from '../../../config/global';
import { logger } from '../../../logger';
import { detectPlatform } from '../../../util/common';
import * as hostRules from '../../../util/host-rules';
import { Http } from '../../../util/http';
import { regEx } from '../../../util/regex';
import { trimLeadingSlash, trimTrailingSlash } from '../../../util/url';
import { BitbucketTagsDatasource } from '../bitbucket-tags';
import { GitTagsDatasource } from '../git-tags';
import { GithubTagsDatasource } from '../github-tags';
import { GitlabTagsDatasource } from '../gitlab-tags';
import type { DataSource } from './types';
// TODO: figure out class hierarchy (#10532)
export class BaseGoDatasource {
private static readonly gitlabHttpsRegExp = regEx(
/^(?<httpsRegExpUrl>https:\/\/[^/]*gitlab\.[^/]*)\/(?<httpsRegExpName>.+?)(?:\/v\d+)?[/]?$/,
);
private static readonly gitlabRegExp = regEx(
/^(?<regExpUrl>gitlab\.[^/]*)\/(?<regExpPath>.+?)(?:\/v\d+)?[/]?$/,
);
private static readonly gitVcsRegexp = regEx(
/^(?:[^/]+)\/(?<module>.*)\.git(?:$|\/)/,
);
private static readonly id = 'go';
private static readonly http = new Http(BaseGoDatasource.id);
static async getDatasource(goModule: string): Promise<DataSource | null> {
if (goModule.startsWith('gopkg.in/')) {
const [pkg] = goModule.replace('gopkg.in/', '').split('.');
const packageName = pkg.includes('/') ? pkg : `go-${pkg}/${pkg}`;
return {
datasource: GithubTagsDatasource.id,
packageName,
registryUrl: 'https://github.com',
};
}
if (goModule.startsWith('github.com/')) {
const split = goModule.split('/');
const packageName = split[1] + '/' + split[2];
return {
datasource: GithubTagsDatasource.id,
packageName,
registryUrl: 'https://github.com',
};
}
if (goModule.startsWith('bitbucket.org/')) {
const split = goModule.split('/');
const packageName = split[1] + '/' + split[2];
return {
datasource: BitbucketTagsDatasource.id,
packageName,
registryUrl: 'https://bitbucket.org',
};
}
if (goModule.startsWith('code.cloudfoundry.org/')) {
const packageName = goModule.replace(
'code.cloudfoundry.org',
'cloudfoundry',
);
return {
datasource: GithubTagsDatasource.id,
packageName,
registryUrl: 'https://github.com',
};
}
return await BaseGoDatasource.goGetDatasource(goModule);
}
private static async goGetDatasource(
goModule: string,
): Promise<DataSource | null> {
const pkgUrl = `https://${goModule}?go-get=1`;
// GitHub Enterprise only returns a go-import meta
const res = (await BaseGoDatasource.http.get(pkgUrl)).body;
return (
BaseGoDatasource.goSourceHeader(res, goModule) ??
BaseGoDatasource.goImportHeader(res, goModule)
);
}
private static goSourceHeader(
res: string,
goModule: string,
): DataSource | null {
const sourceMatch = regEx(
`<meta\\s+name="?go-source"?\\s+content="([^\\s]+)\\s+([^\\s]+)`,
).exec(res);
if (!sourceMatch) {
return null;
}
const [, prefix, goSourceUrl] = sourceMatch;
if (!goModule.startsWith(prefix)) {
logger.trace({ goModule }, 'go-source header prefix not match');
return null;
}
logger.debug(`Go lookup source url ${goSourceUrl} for module ${goModule}`);
return this.detectDatasource(goSourceUrl, goModule);
}
private static detectDatasource(
goSourceUrl: string,
goModule: string,
): DataSource | null {
if (goSourceUrl?.startsWith('https://github.com/')) {
return {
datasource: GithubTagsDatasource.id,
packageName: goSourceUrl
.replace('https://github.com/', '')
.replace(regEx(/\/$/), ''),
registryUrl: 'https://github.com',
};
}
const gitlabUrl =
BaseGoDatasource.gitlabHttpsRegExp.exec(goSourceUrl)?.groups
?.httpsRegExpUrl;
const gitlabUrlName =
BaseGoDatasource.gitlabHttpsRegExp.exec(goSourceUrl)?.groups
?.httpsRegExpName;
const gitlabModuleName =
BaseGoDatasource.gitlabRegExp.exec(goModule)?.groups?.regExpPath;
if (gitlabUrl && gitlabUrlName) {
if (gitlabModuleName?.startsWith(gitlabUrlName)) {
const vcsIndicatedModule = BaseGoDatasource.gitVcsRegexp.exec(goModule);
if (vcsIndicatedModule?.groups?.module) {
return {
datasource: GitlabTagsDatasource.id,
registryUrl: gitlabUrl,
packageName: vcsIndicatedModule.groups?.module,
};
}
return {
datasource: GitlabTagsDatasource.id,
registryUrl: gitlabUrl,
packageName: gitlabModuleName,
};
}
return {
datasource: GitlabTagsDatasource.id,
registryUrl: gitlabUrl,
packageName: gitlabUrlName,
};
}
if (hostRules.hostType({ url: goSourceUrl }) === 'gitlab') {
// get server base url from import url
const parsedUrl = URL.parse(goSourceUrl);
// TODO: `parsedUrl.pathname` can be undefined
let packageName = trimLeadingSlash(`${parsedUrl.pathname}`);
const endpoint = GlobalConfig.get('endpoint')!;
const endpointPrefix = regEx('https://[^/]*/(.*?/)(api/v4/?)?').exec(
endpoint,
);
if (endpointPrefix) {
packageName = packageName.replace(endpointPrefix[1], '');
}
const registryUrl = endpointPrefix
? endpoint.replace(regEx('api/v4/?$'), '')
: `${parsedUrl.protocol}//${parsedUrl.host}`;
// a .git path indicates a concrete git repository, which can be different from metadata returned by gitlab
const vcsIndicatedModule = BaseGoDatasource.gitVcsRegexp.exec(goModule);
if (vcsIndicatedModule?.groups?.module) {
if (endpointPrefix) {
packageName = vcsIndicatedModule.groups?.module.replace(
endpointPrefix[1],
'',
);
} else {
packageName = vcsIndicatedModule.groups?.module;
}
return {
datasource: GitlabTagsDatasource.id,
registryUrl,
packageName,
};
}
return {
datasource: GitlabTagsDatasource.id,
registryUrl,
packageName,
};
}
/* istanbul ignore next */
return null;
}
private static goImportHeader(
res: string,
goModule: string,
): DataSource | null {
const importMatch = regEx(
`<meta\\s+name="?go-import"?\\s+content="([^\\s]+)\\s+([^\\s]+)\\s+([^\\s]+)"\\s*\\/?>`,
).exec(res);
if (!importMatch) {
logger.trace({ goModule }, 'No go-source or go-import header found');
return null;
}
const [, prefix, proto, goImportURL] = importMatch;
if (!goModule.startsWith(prefix)) {
logger.trace({ goModule }, 'go-import header prefix not match');
return null;
}
if (proto !== 'git') {
logger.trace({ goModule }, 'go-import header proto not git');
return null;
}
logger.debug(`Go module: ${goModule} lookup import url ${goImportURL}`);
// get server base url from import url
const parsedUrl = URL.parse(goImportURL);
const datasource = this.detectDatasource(
goImportURL.replace(regEx(/\.git$/), ''),
goModule,
);
if (datasource !== null) {
return datasource;
}
// fall back to old behaviour if detection did not work
switch (detectPlatform(goImportURL)) {
case 'github': {
// split the go module from the URL: host/go/module -> go/module
// TODO: `parsedUrl.pathname` can be undefined
const packageName = trimTrailingSlash(`${parsedUrl.pathname}`)
.replace(regEx(/\.git$/), '')
.split('/')
.slice(-2)
.join('/');
return {
datasource: GithubTagsDatasource.id,
registryUrl: `${parsedUrl.protocol}//${parsedUrl.host}`,
packageName,
};
}
case 'azure': {
return {
datasource: GitTagsDatasource.id,
packageName: goImportURL.replace(regEx(/\.git$/), ''),
};
}
default: {
return {
datasource: GitTagsDatasource.id,
packageName: goImportURL,
};
}
}
}
}