mirror of
https://github.com/scratchfoundation/scratch-www.git
synced 2024-11-23 15:47:53 -05:00
a13e6947b7
This should eliminate the issue where querystrings would cause URLs to skip S3 and fall back to scratchr2
280 lines
12 KiB
JavaScript
280 lines
12 KiB
JavaScript
var async = require('async');
|
|
var defaults = require('lodash.defaults');
|
|
var fastlyConfig = require('./lib/fastly-config-methods');
|
|
const languages = require('scratch-l10n').default;
|
|
|
|
var routeJson = require('../src/routes.json');
|
|
|
|
const FASTLY_SERVICE_ID = process.env.FASTLY_SERVICE_ID || '';
|
|
const S3_BUCKET_NAME = process.env.S3_BUCKET_NAME || '';
|
|
|
|
var fastly = require('./lib/fastly-extended')(process.env.FASTLY_API_KEY, FASTLY_SERVICE_ID);
|
|
|
|
var extraAppRoutes = [
|
|
// Homepage with querystring.
|
|
// TODO: Should this be added for every route?
|
|
'/\\?',
|
|
// View html
|
|
'/[^/]*.html$'
|
|
];
|
|
|
|
var routes = routeJson.map(function (route) {
|
|
return defaults({}, {pattern: fastlyConfig.expressPatternToRegex(route.pattern)}, route);
|
|
});
|
|
|
|
async.auto({
|
|
version: function (cb) {
|
|
fastly.getLatestActiveVersion(function (err, response) {
|
|
if (err) return cb(err);
|
|
// Validate latest version before continuing
|
|
if (response.active || response.locked) {
|
|
fastly.cloneVersion(response.number, function (e, resp) {
|
|
if (e) return cb('Failed to clone latest version: ' + e);
|
|
cb(null, resp.number);
|
|
});
|
|
} else {
|
|
cb(null, response.number);
|
|
}
|
|
});
|
|
},
|
|
recvCustomVCL: ['version', function (results, cb) {
|
|
// For all the routes in routes.json, construct a varnish-style regex that matches
|
|
// on any of those route conditions.
|
|
var notPassStatement = fastlyConfig.getAppRouteCondition('../build/*', routes, extraAppRoutes, __dirname);
|
|
|
|
// For a non-pass condition, point backend at s3
|
|
var recvCondition = '' +
|
|
'if (' + notPassStatement + ') {\n' +
|
|
' set req.backend = F_s3;\n' +
|
|
' set req.http.host = "' + S3_BUCKET_NAME + '";\n' +
|
|
'} else {\n' +
|
|
' if (!req.http.Fastly-FF) {\n' +
|
|
' if (req.http.X-Forwarded-For) {\n' +
|
|
' set req.http.Fastly-Temp-XFF = req.http.X-Forwarded-For ", " client.ip;\n' +
|
|
' } else {\n' +
|
|
' set req.http.Fastly-Temp-XFF = client.ip;\n' +
|
|
' }\n' +
|
|
' } else {\n' +
|
|
' set req.http.Fastly-Temp-XFF = req.http.X-Forwarded-For;\n' +
|
|
' }\n' +
|
|
' set req.grace = 60s;\n' +
|
|
' if (req.http.Cookie:scratchlanguage) {\n' +
|
|
' set req.http.Accept-Language = req.http.Cookie:scratchlanguage;\n' +
|
|
' } else {\n' +
|
|
' set req.http.Accept-Language = accept.language_lookup("' +
|
|
Object.keys(languages).join(':') + '", ' +
|
|
'"en", ' +
|
|
'std.tolower(req.http.Accept-Language)' +
|
|
');\n' +
|
|
' }\n' +
|
|
' if (req.url ~ "^(/projects/|/fragment/account-nav.json|/session/)" && ' +
|
|
'!req.http.Cookie:scratchsessionsid) {\n' +
|
|
' set req.http.Cookie = "scratchlanguage=" req.http.Cookie:scratchlanguage;\n' +
|
|
' } else {\n' +
|
|
' return(pass);\n' +
|
|
' }\n' +
|
|
'}\n';
|
|
|
|
|
|
fastly.setCustomVCL(
|
|
results.version,
|
|
'recv-condition',
|
|
recvCondition,
|
|
cb
|
|
);
|
|
}],
|
|
fetchCustomVCL: ['version', function (results, cb) {
|
|
var passStatement = fastlyConfig.negateConditionStatement(
|
|
fastlyConfig.getAppRouteCondition('../build/*', routes, extraAppRoutes, __dirname)
|
|
);
|
|
var ttlCondition = fastlyConfig.setResponseTTL(passStatement);
|
|
fastly.setCustomVCL(results.version, 'fetch-condition', ttlCondition, cb);
|
|
}],
|
|
appRouteRequestConditions: ['version', function (results, cb) {
|
|
var conditions = {};
|
|
async.forEachOf(routes, function (route, id, cb2) {
|
|
var condition = {
|
|
name: fastlyConfig.getConditionNameForRoute(route, 'request'),
|
|
statement: 'req.url.path ~ "' + route.pattern + '"',
|
|
type: 'REQUEST',
|
|
// Priority needs to be > 1 to not interact with http->https redirect
|
|
priority: 10 + id
|
|
};
|
|
fastly.setCondition(results.version, condition, function (err, response) {
|
|
if (err) return cb2(err);
|
|
conditions[id] = response;
|
|
cb2(null, response);
|
|
});
|
|
}, function (err) {
|
|
if (err) return cb(err);
|
|
cb(null, conditions);
|
|
});
|
|
}],
|
|
appRouteHeaders: ['version', 'appRouteRequestConditions', function (results, cb) {
|
|
var headers = {};
|
|
async.forEachOf(routes, function (route, id, cb2) {
|
|
if (route.redirect) {
|
|
async.auto({
|
|
responseCondition: function (cb3) {
|
|
var condition = {
|
|
name: fastlyConfig.getConditionNameForRoute(route, 'response'),
|
|
statement: 'req.url.path ~ "' + route.pattern + '"',
|
|
type: 'RESPONSE',
|
|
priority: id
|
|
};
|
|
fastly.setCondition(results.version, condition, cb3);
|
|
},
|
|
responseObject: function (cb3) {
|
|
var responseObject = {
|
|
name: fastlyConfig.getResponseNameForRoute(route),
|
|
status: 301,
|
|
response: 'Moved Permanently',
|
|
request_condition: fastlyConfig.getConditionNameForRoute(route, 'request')
|
|
};
|
|
fastly.setResponseObject(results.version, responseObject, cb3);
|
|
},
|
|
redirectHeader: ['responseCondition', function (redirectResults, cb3) {
|
|
var header = {
|
|
name: fastlyConfig.getHeaderNameForRoute(route),
|
|
action: 'set',
|
|
ignore_if_set: 0,
|
|
type: 'RESPONSE',
|
|
dst: 'http.Location',
|
|
src: '"' + route.redirect + '"',
|
|
response_condition: redirectResults.responseCondition.name
|
|
};
|
|
fastly.setFastlyHeader(results.version, header, cb3);
|
|
}]
|
|
}, function (err, redirectResults) {
|
|
if (err) return cb2(err);
|
|
headers[id] = redirectResults.redirectHeader;
|
|
cb2(null, redirectResults);
|
|
});
|
|
} else {
|
|
var header = {
|
|
name: fastlyConfig.getHeaderNameForRoute(route, 'request'),
|
|
action: 'set',
|
|
ignore_if_set: 0,
|
|
type: 'REQUEST',
|
|
dst: 'url',
|
|
src: '"/' + route.name + '.html"',
|
|
request_condition: results.appRouteRequestConditions[id].name,
|
|
priority: 10
|
|
};
|
|
fastly.setFastlyHeader(results.version, header, function (err, response) {
|
|
if (err) return cb2(err);
|
|
headers[id] = response;
|
|
cb2(null, response);
|
|
});
|
|
}
|
|
}, function (err) {
|
|
if (err) return cb(err);
|
|
cb(null, headers);
|
|
});
|
|
}],
|
|
tipbarRedirectHeaders: ['version', function (results, cb) {
|
|
async.auto({
|
|
requestCondition: function (cb2) {
|
|
var condition = {
|
|
name: 'routes/?tip_bar= (request)',
|
|
statement: 'req.url ~ "\\?tip_bar="',
|
|
type: 'REQUEST',
|
|
priority: 10
|
|
};
|
|
fastly.setCondition(results.version, condition, cb2);
|
|
},
|
|
responseCondition: function (cb2) {
|
|
var condition = {
|
|
name: 'routes/?tip_bar= (response)',
|
|
statement: 'req.url ~ "\\?tip_bar="',
|
|
type: 'RESPONSE',
|
|
priority: 10
|
|
};
|
|
fastly.setCondition(results.version, condition, cb2);
|
|
},
|
|
responseObject: ['requestCondition', function (redirectResults, cb2) {
|
|
var responseObject = {
|
|
name: 'redirects/?tip_bar=',
|
|
status: 301,
|
|
response: 'Moved Permanently',
|
|
request_condition: redirectResults.requestCondition.name
|
|
};
|
|
fastly.setResponseObject(results.version, responseObject, cb2);
|
|
}],
|
|
redirectHeader: ['responseCondition', function (redirectResults, cb2) {
|
|
var header = {
|
|
name: 'redirects/?tip_bar=',
|
|
action: 'set',
|
|
ignore_if_set: 0,
|
|
type: 'RESPONSE',
|
|
dst: 'http.Location',
|
|
src: 'regsub(req.url, "tip_bar=", "tutorial=")',
|
|
response_condition: redirectResults.responseCondition.name
|
|
};
|
|
fastly.setFastlyHeader(results.version, header, cb2);
|
|
}]
|
|
}, function (err, redirectResults) {
|
|
if (err) return cb(err);
|
|
cb(null, redirectResults);
|
|
});
|
|
}],
|
|
embedRedirectHeaders: ['version', function (results, cb) {
|
|
async.auto({
|
|
requestCondition: function (cb2) {
|
|
var condition = {
|
|
name: 'routes/projects/embed (request)',
|
|
statement: 'req.url.path ~ "^/projects/embed/(\\d+)"',
|
|
type: 'REQUEST',
|
|
priority: 10
|
|
};
|
|
fastly.setCondition(results.version, condition, cb2);
|
|
},
|
|
responseCondition: function (cb2) {
|
|
var condition = {
|
|
name: 'routes/projects/embed (response)',
|
|
statement: 'req.url.path ~ "^/projects/embed/(\\d+)"',
|
|
type: 'RESPONSE',
|
|
priority: 10
|
|
};
|
|
fastly.setCondition(results.version, condition, cb2);
|
|
},
|
|
responseObject: ['requestCondition', function (redirectResults, cb2) {
|
|
var responseObject = {
|
|
name: 'redirects/projects/embed',
|
|
status: 301,
|
|
response: 'Moved Permanently',
|
|
request_condition: redirectResults.requestCondition.name
|
|
};
|
|
fastly.setResponseObject(results.version, responseObject, cb2);
|
|
}],
|
|
redirectHeader: ['responseCondition', function (redirectResults, cb2) {
|
|
var header = {
|
|
name: 'redirects/projects/embed',
|
|
action: 'set',
|
|
ignore_if_set: 0,
|
|
type: 'RESPONSE',
|
|
dst: 'http.Location',
|
|
src: '"/projects/" + re.group.1 + "/embed"',
|
|
response_condition: redirectResults.responseCondition.name
|
|
};
|
|
fastly.setFastlyHeader(results.version, header, cb2);
|
|
}]
|
|
}, function (err, redirectResults) {
|
|
if (err) return cb(err);
|
|
cb(null, redirectResults);
|
|
});
|
|
}]
|
|
}, function (err, results) {
|
|
if (err) throw new Error(err);
|
|
if (process.env.FASTLY_ACTIVATE_CHANGES) {
|
|
fastly.activateVersion(results.version, function (e, resp) {
|
|
if (e) throw new Error(e);
|
|
process.stdout.write('Successfully configured and activated version ' + resp.number + '\n');
|
|
// purge static-assets using surrogate key
|
|
fastly.purgeKey(FASTLY_SERVICE_ID, 'static-assets', function (error) {
|
|
if (error) throw new Error(error);
|
|
process.stdout.write('Purged static assets.\n');
|
|
});
|
|
});
|
|
}
|
|
});
|