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f53e0bd3a3
To ensure we don’t hot code push JavaScript that is incompatible with the bundled native code, we calculate a hash based on the platform and plugin versions.
56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
var crypto = Npm.require("crypto");
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WebAppHashing = {};
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// Calculate a hash of all the client resources downloaded by the
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// browser, including the application HTML, runtime config, code, and
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// static files.
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//
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// This hash *must* change if any resources seen by the browser
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// change, and ideally *doesn't* change for any server-only changes
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// (but the second is a performance enhancement, not a hard
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// requirement).
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WebAppHashing.calculateClientHash =
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function (manifest, includeFilter, runtimeConfigOverride) {
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var hash = crypto.createHash('sha1');
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// Omit the old hashed client values in the new hash. These may be
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// modified in the new boilerplate.
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var runtimeCfg = _.omit(__meteor_runtime_config__,
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['autoupdateVersion', 'autoupdateVersionRefreshable',
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'autoupdateVersionCordova']);
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if (runtimeConfigOverride) {
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runtimeCfg = runtimeConfigOverride;
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}
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hash.update(JSON.stringify(runtimeCfg, 'utf8'));
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_.each(manifest, function (resource) {
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if ((! includeFilter || includeFilter(resource.type)) &&
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(resource.where === 'client' || resource.where === 'internal')) {
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hash.update(resource.path);
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hash.update(resource.hash);
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}
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});
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return hash.digest('hex');
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};
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WebAppHashing.calculateCordovaCompatibilityHash =
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function(platformVersion, pluginVersions) {
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const hash = crypto.createHash('sha1');
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hash.update(platformVersion);
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// Sort plugins first so iteration order doesn't affect the hash
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const plugins = Object.keys(pluginVersions).sort();
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for (let plugin of plugins) {
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const version = pluginVersions[plugin];
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hash.update(plugin);
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hash.update(version);
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}
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return hash.digest('hex');
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};
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