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serve 404 when not possible key

This commit is contained in:
John Crepezzi 2011-11-21 23:13:46 -05:00
parent 9ed330bdae
commit 32b4f842b7
3 changed files with 38 additions and 21 deletions

1
TODO
View file

@ -1,6 +1,5 @@
cache headers for static assets (and on document GET) cache headers for static assets (and on document GET)
tests tests
add FAVICON (or force 404)
add feedback for errors to UI - esp. too long add feedback for errors to UI - esp. too long
add about page add about page

View file

@ -78,6 +78,11 @@ DocumentHandler.prototype.chooseKey = function(callback) {
}); });
}; };
// Return a boolean indicating whether or not something can be a key
DocumentHandler.potentialKey = function(key) {
return key.match(/^[a-zA-Z0-9]+$/);
};
// Generate a random key // Generate a random key
DocumentHandler.prototype.randomKey = function() { DocumentHandler.prototype.randomKey = function() {
var text = ''; var text = '';

View file

@ -3,6 +3,8 @@ var fs = require('fs');
var winston = require('winston'); var winston = require('winston');
var DocumentHandler = require('./document_handler');
// For serving static assets // For serving static assets
var StaticHandler = function(path, cacheAssets) { var StaticHandler = function(path, cacheAssets) {
@ -33,27 +35,28 @@ StaticHandler.contentTypeFor = function(ext) {
// Handle a request, and serve back the asset if it exists // Handle a request, and serve back the asset if it exists
StaticHandler.prototype.handle = function(incPath, response) { StaticHandler.prototype.handle = function(incPath, response) {
// Go to index if not found or / // If this is a potential key, show the index - otherwise
if (!this.availablePaths[incPath]) incPath = this.defaultPath; // bust out a 404
var filePath = this.basePath + (incPath == '/' ? this.defaultPath : incPath); if (!this.availablePaths[incPath]) {
// And then stream the file back - either from the cache or from source if (incPath === '/' || DocumentHandler.potentialKey(incPath.substring(1))) {
var cached = this.cacheAssets && this.isCached(filePath); incPath = this.defaultPath;
var method = cached ? this.serveCached : this.retrieve;
// Run!
var _this = this;
method(filePath, function(error, content) {
// Get the content
if (content) {
var contentType = StaticHandler.contentTypeFor(path.extname(filePath));
response.writeHead(200, { 'content-type': contentType });
response.end(content, 'utf-8');
// Stick it in the cache if its not in there
if (!cached && _this.cacheAssets) {
StaticHandler.cache[filePath] = content;
}
} }
// Or break down and cry
else { else {
winston.warn('failed to find static asset', { path: incPath });
response.writeHead(404, { 'content-type': 'application/json' });
response.end(JSON.stringify({ message: 'no such file' }));
return;
}
}
// And then stream the file back - either from the cache or from source
var filePath = this.basePath + (incPath == '/' ? this.defaultPath : incPath);
var cached = this.cacheAssets && this.isCached(filePath);
// Go get'er
var _this = this;
var method = cached ? this.serveCached : this.retrieve;
method(filePath, function(error, content) {
// detect errors
if (error) {
winston.error('unable to read file', { path: filePath, error: error }); winston.error('unable to read file', { path: filePath, error: error });
response.writeHead(500, { 'content-type': 'application/json' }); response.writeHead(500, { 'content-type': 'application/json' });
response.end(JSON.stringify({ message: 'IO: Unable to read file' })); response.end(JSON.stringify({ message: 'IO: Unable to read file' }));
@ -62,6 +65,16 @@ StaticHandler.prototype.handle = function(incPath, response) {
StaticHandler.cache[filePath] = null; StaticHandler.cache[filePath] = null;
} }
} }
// Get the content
else {
var contentType = StaticHandler.contentTypeFor(path.extname(filePath));
response.writeHead(200, { 'content-type': contentType });
response.end(content, 'utf-8');
// Stick it in the cache if its not in there
if (!cached && _this.cacheAssets) {
StaticHandler.cache[filePath] = content;
}
}
}); });
}; };