Extract header, affected-tables and response middlewares

This commit is contained in:
Daniel García Aubert
2018-03-06 18:28:40 +01:00
parent 7c1e2a6af0
commit 7022fb87b4
+150 -52
View File
@@ -53,6 +53,10 @@ LayergroupController.prototype.register = function(app) {
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.tile(this.tileBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse(),
this.tileError(),
vectorError()
);
@@ -64,6 +68,10 @@ LayergroupController.prototype.register = function(app) {
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.tile(this.tileBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse(),
this.tileError(),
vectorError()
);
@@ -76,6 +84,10 @@ LayergroupController.prototype.register = function(app) {
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.layer(this.tileBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse(),
this.tileError(),
vectorError()
);
@@ -86,7 +98,11 @@ LayergroupController.prototype.register = function(app) {
userMiddleware,
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.attributes(this.attributesBackend)
this.attributes(this.attributesBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
const forcedFormat = 'png';
@@ -98,7 +114,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(['layer']),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi, forcedFormat),
this.center(this.previewBackend)
this.center(this.previewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
app.get(
@@ -108,7 +128,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(['layer']),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi, forcedFormat),
this.bbox(this.previewBackend)
this.bbox(this.previewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
// Undocumented/non-supported API endpoint methods.
@@ -136,7 +160,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(allowedDataviewQueryParams),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.getDataview(this.dataviewBackend)
this.getDataview(this.dataviewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
app.get(
@@ -146,7 +174,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(allowedDataviewQueryParams),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.getDataview(this.dataviewBackend)
this.getDataview(this.dataviewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
app.get(
@@ -156,7 +188,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(allowedDataviewQueryParams),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.dataviewSearch(this.dataviewBackend)
this.dataviewSearch(this.dataviewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
app.get(
@@ -166,7 +202,11 @@ LayergroupController.prototype.register = function(app) {
allowQueryParams(allowedDataviewQueryParams),
this.prepareContext,
this.getMapStoreMapConfigProvider(this.mapStore, this.userLimitsApi),
this.dataviewSearch(this.dataviewBackend)
this.dataviewSearch(this.dataviewBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
app.get(
@@ -174,7 +214,11 @@ LayergroupController.prototype.register = function(app) {
cors(),
userMiddleware,
this.prepareContext,
this.analysisNodeStatus(this.analysisStatusBackend)
this.analysisNodeStatus(this.analysisStatusBackend),
this.setCacheControlHeader(),
this.setLastModifiedHeader(),
this.affectedTables(),
this.sendResponse()
);
};
@@ -196,10 +240,14 @@ LayergroupController.prototype.analysisNodeStatus = function (analysisStatusBack
return next(err);
}
this.sendResponse(req, res, nodeStatus, 200, {
res.set({
'Cache-Control': 'public,max-age=5',
'Last-Modified': new Date().toUTCString()
});
res.body = nodeStatus;
next();
});
}.bind(this);
};
@@ -242,7 +290,9 @@ LayergroupController.prototype.getDataview = function (dataviewBackend) {
return next(err);
}
this.sendResponse(req, res, dataview, 200);
res.body = dataview;
next();
});
}.bind(this);
};
@@ -259,7 +309,9 @@ LayergroupController.prototype.dataviewSearch = function (dataviewBackend) {
return next(err);
}
this.sendResponse(req, res, searchResult, 200);
res.body = searchResult;
next();
});
}.bind(this);
};
@@ -278,13 +330,15 @@ LayergroupController.prototype.attributes = function (attributesBackend) {
return next(err);
}
this.sendResponse(req, res, tile, 200);
res.body = tile;
next();
});
}.bind(this);
};
function getStatusCode(tile, format){
return tile.length===0 && format==='mvt'? 204:200;
return tile.length === 0 && format === 'mvt'? 204 : 200;
}
const supportedFormats = {
@@ -328,7 +382,14 @@ LayergroupController.prototype.tile = function (tileBackend) {
return;
}
this.sendResponse(req, res, tile, getStatusCode(tile, formatStat), headers);
if (headers) {
res.set(headers);
}
res.statusCode = getStatusCode(tile, formatStat);
res.body = tile;
next();
global.statsClient.increment('windshaft.tiles.success');
global.statsClient.increment('windshaft.tiles.' + formatStat + '.success');
@@ -357,7 +418,15 @@ LayergroupController.prototype.layer = function (tileBackend) {
return;
}
this.sendResponse(req, res, tile, getStatusCode(tile, formatStat), headers);
if (headers) {
res.set(headers);
}
res.statusCode = getStatusCode(tile, formatStat);
res.body = tile;
next();
global.statsClient.increment('windshaft.tiles.success');
global.statsClient.increment('windshaft.tiles.' + formatStat + '.success');
});
@@ -405,8 +474,15 @@ LayergroupController.prototype.center = function (previewBackend) {
return next(err);
}
if (headers) {
res.set(headers);
}
res.set('Content-Type', headers['Content-Type'] || 'image/' + format);
this.sendResponse(req, res, image, 200);
res.body = image;
next();
});
}.bind(this);
};
@@ -433,61 +509,65 @@ LayergroupController.prototype.bbox = function (previewBackend) {
return next(err);
}
if (headers) {
res.set(headers);
}
res.set('Content-Type', headers['Content-Type'] || 'image/' + format);
this.sendResponse(req, res, image, 200);
res.body = image;
next();
});
}.bind(this);
};
LayergroupController.prototype.sendResponse = function(req, res, body, status, headers) {
req.profiler.done('res');
LayergroupController.prototype.setLastModifiedHeader = function () {
return function setLastModifiedHeaderMiddleware (req, res, next) {
let { cache_buster: cacheBuster } = res.locals;
res.set('Cache-Control', 'public,max-age=31536000');
cacheBuster = parseInt(cacheBuster);
// Set Last-Modified header
var lastUpdated;
if (res.locals.cache_buster) {
// Assuming cache_buster is a timestamp
lastUpdated = new Date(parseInt(res.locals.cache_buster));
} else {
lastUpdated = new Date();
}
res.set('Last-Modified', lastUpdated.toUTCString());
const lastUpdated = res.locals.cache_buster ? new Date(cacheBuster) : new Date();
var dbName = res.locals.dbname;
res.set('Last-Modified', lastUpdated.toUTCString());
this.getAffectedTables(res.locals.user, dbName, res.locals.token, (err, affectedTables) => {
req.profiler.done('affectedTables');
next();
};
};
if (err) {
global.logger.warn('ERROR generating cache channel: ' + err);
}
if (!!affectedTables) {
res.set('X-Cache-Channel', affectedTables.getCacheChannel());
this.surrogateKeysCache.tag(res, affectedTables);
LayergroupController.prototype.setCacheControlHeader = function () {
return function setCacheControlHeaderMiddleware (req, res, next) {
if (!res.get('Cache-Control')) {
res.set('Cache-Control', 'public,max-age=31536000');
}
if (headers) {
res.set(headers);
}
next();
};
};
res.status(status);
LayergroupController.prototype.affectedTables = function () {
return function affectedTablesMiddleware (req, res, next) {
const { user, dbname, token } = res.locals;
if (!Buffer.isBuffer(body) && typeof body === 'object') {
if (req.query && req.query.callback) {
res.jsonp(body);
} else {
res.json(body);
this.getAffectedTables(user, dbname, token, (err, affectedTables) => {
req.profiler.done('affectedTables');
if (err) {
global.logger.warn('ERROR generating cache channel: ' + err);
}
} else {
res.send(body);
}
});
if (!!affectedTables) {
res.set('X-Cache-Channel', affectedTables.getCacheChannel());
this.surrogateKeysCache.tag(res, affectedTables);
}
next();
});
}.bind(this);
};
LayergroupController.prototype.getAffectedTables = function(user, dbName, layergroupId, callback) {
if (this.layergroupAffectedTables.hasAffectedTables(dbName, layergroupId)) {
return callback(null, this.layergroupAffectedTables.get(dbName, layergroupId));
}
@@ -544,3 +624,21 @@ LayergroupController.prototype.getAffectedTables = function(user, dbName, layerg
callback
);
};
LayergroupController.prototype.sendResponse = function () {
return function sendResponseMiddleware (req, res) {
req.profiler.done('res');
res.status(res.statusCode || 200);
if (!Buffer.isBuffer(res.body) && typeof res.body === 'object') {
if (req.query && req.query.callback) {
res.jsonp(res.body);
} else {
res.json(res.body);
}
} else {
res.send(res.body);
}
};
};