mirror of https://github.com/TryGhost/Ghost.git
27 lines
1001 B
JavaScript
27 lines
1001 B
JavaScript
var semver = require('semver'),
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common = require('../../../lib/common');
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function checkVersionMatch(req, res, next) {
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var clientVersion = req.get('X-Ghost-Version'),
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// can contain pre-release suffix, you should be able to use e.g. 1.19.0-pre [server] with 1.18.0 [client]
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serverVersion = res.locals.version.match(/^(\d+\.)?(\d+\.)?(\d+)/)[0],
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constraint = '^' + clientVersion + '.0';
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// no error when client is on an earlier minor version than server
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// error when client is on a later minor version than server
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// always error when the major version is different
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if (clientVersion && !semver.satisfies(serverVersion, constraint)) {
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return next(new common.errors.VersionMismatchError({
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message: common.i18n.t('errors.middleware.api.versionMismatch', {
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clientVersion: clientVersion,
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serverVersion: serverVersion
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})
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}));
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}
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next();
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}
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module.exports = checkVersionMatch;
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