/server.js |
@@ -94,24 +94,22 @@ |
http.createServer( |
// authentication, |
(request, response) => |
handler.process(config, request, response, root, (result) => { |
|
handler.process(config, request, response, root, (logging, result) => { |
|
// Log the message by severity. |
log.log(result.severity, result.message); |
if(result.status) |
response.status = result.status; |
|
// If no data stream is made available or the content type is not |
// set then there is no further reason to bother with the request. |
if(typeof result.data === 'undefined' || result.data === null || |
typeof result.type === 'undefined' || result.type === null) |
log.log(logging.severity, logging.message); |
|
// If no result is to be processed, then terminate the request. |
if (typeof result === 'undefined' || result === null) |
return; |
|
|
// Set the response status. |
response.status = result.status; |
// Set the content type and send the data. |
response.setHeader('Content-Type', result.type); |
result.data |
.on('open', () => result.data.pipe(response)); |
|
.on('readable', () => result.data.pipe(response)) |
.on('end', () => response.end()); |
}) |
).listen(config.net.port, config.net.address, () => { |
log.info('HTTP Server accessible at: http://' + |
@@ -140,20 +138,19 @@ |
(request, response) => |
handler.process(config, request, response, root, (result) => { |
// Log the message by severity. |
log.log(result.severity, result.message); |
if(result.status) |
response.status = result.status; |
|
// If no data stream is made available or the content type is not |
// set then there is no further reason to bother with the request. |
if(typeof result.data === 'undefined' || result.data === null || |
typeof result.type === 'undefined' || result.type === null) |
log.log(logging.severity, logging.message); |
|
// If no result is to be processed, then terminate the request. |
if (typeof result === 'undefined' || result === null) |
return; |
|
|
// Set the response status. |
response.status = result.status; |
// Set the content type and send the data. |
response.setHeader('Content-Type', result.type); |
result.data |
.on('open', () => result.data.pipe(response)); |
.on('readable', () => result.data.pipe(response)) |
.on('end', () => response.end()); |
}) |
).listen(config.ssl.port, config.ssl.address, () => { |
log.info('HTTPs Server accessible at: https://' + |
/src/handler.js |
@@ -9,7 +9,7 @@ |
const fs = require('fs'); |
const mime = require('mime'); |
const auth = require("http-auth"); |
const JSONStream = require('JSONStream'); |
const stream = require('stream'); |
|
// Checks whether userPath is a child of rootPath. |
function isRooted(userPath, rootPath, separator, callback) { |
@@ -24,36 +24,38 @@ |
// Check if the file is accessible. |
fs.access(file, fs.constants.R_OK, (error) => { |
if (error) { |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' requesting inaccessible path: ' + |
file, |
severity: 'warning', |
status: 403 |
|
}); |
}); |
return; |
} |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' sent file: ' + |
' requesting inaccessible path: ' + |
file, |
severity: 'info', |
status: 200, |
data: fs |
.createReadStream(file), |
type: mime |
.lookup(file) |
severity: 'warning' |
}, { |
status: 403, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' sent file: ' + |
file, |
severity: 'info' |
}, { |
status: 200, |
data: fs |
.createReadStream(file), |
type: mime |
.lookup(file) |
}); |
|
}); |
} |
|
@@ -67,78 +69,99 @@ |
directory.toUpperCase() === href.toUpperCase())) { |
fs.readdir(directory, (error, paths) => { |
if (error) { |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' could not access directory: ' + |
directory, |
severity: 'warning', |
status: 500 |
}); |
}); |
return; |
} |
process.nextTick(() => { |
console.log("listing forbidden..."); |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' accessed directory listing: ' + |
' could not access directory: ' + |
directory, |
severity: 'warning', |
status: 200, |
data: JSONStream.parse(paths) |
severity: 'warning' |
}, { |
status: 500, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
console.log("sending listing..."); |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' accessed directory listing: ' + |
directory, |
severity: 'info' |
}, { |
status: 200, |
data: new stream.Readable({ |
read(size) { |
this.push(JSON.stringify(paths)); |
this.push(null); |
} |
}), |
type: 'application/json' |
}); |
}); |
return; |
} |
// Could not access directory index file and directory listing not allowed. |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' no index file found and accessing forbiden index: ' + |
href, |
severity: 'warning', |
status: 400 |
}); |
console.log("no dirindex..."); |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' no index file found and accessing forbiden index: ' + |
href, |
severity: 'warning' |
}, { |
status: 403, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
|
} |
|
// Serve the document index. |
fs.access(root, fs.constants.R_OK, (error) => { |
if (error) { |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' unable to access path: ' + |
directory, |
severity: 'warning', |
status: 403 |
}); |
}); |
return; |
} |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' sent file: ' + |
root, |
severity: 'info', |
status: 200, |
data: fs.createReadStream(root), |
type: mime.lookup(root) |
' unable to access path: ' + |
directory, |
severity: 'warning' |
}, { |
status: 403, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
callback({ |
message: 'Client: ' + |
client.address + ':' + |
client.port + |
' sent file: ' + |
root, |
severity: 'info' |
}, { |
status: 200, |
data: fs.createReadStream(root), |
type: mime.lookup(root) |
}); |
}); |
}); |
@@ -155,8 +178,15 @@ |
address.port + |
' accessing non-existent document: ' + |
local, |
severity: 'warning', |
status: 404 |
severity: 'warning' |
}, { |
status: 404, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
@@ -173,16 +203,21 @@ |
// then there is no file to serve. |
if (config.site.reject.some((expression) => expression.test(file)) || |
!config.site.accept.some((expression) => expression.test(file))) { |
process.nextTick(() => { |
callback({ |
message: 'Client: ' + |
address.address + ':' + |
address.port + |
' requested disallowed file: ' + |
file, |
severity: 'warning', |
status: 404 |
}); |
callback({ |
message: 'Client: ' + |
address.address + ':' + |
address.port + |
' requested disallowed file: ' + |
file, |
severity: 'warning' |
}, { |
status: 404, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
@@ -195,120 +230,107 @@ |
|
module.exports = { |
process: (config, request, response, root, callback) => { |
process.nextTick(() => { |
const requestAddress = request.socket.address(); |
const requestURL = url.parse( |
request.url, true |
); |
|
// Perform URL re-writes. |
Object.keys(config.site.rewrite).forEach((key, index) => { |
if(config.site.rewrite[key].test(requestURL.path)) { |
const originalPath = requestURL.path; |
requestURL.path = requestURL |
.path |
const requestAddress = request.socket.address(); |
const requestURL = url.parse( |
request.url, true |
); |
|
// Perform URL re-writes. |
Object.keys(config.site.rewrite).forEach((key, index) => { |
if (config.site.rewrite[key].test(requestURL.path)) { |
const originalPath = requestURL.path; |
requestURL.path = requestURL |
.path |
.replace( |
config.site.rewrite[key], key |
); |
requestURL.pathname = url.parse( |
requestURL |
.pathname |
.replace( |
config.site.rewrite[key], key |
); |
requestURL.pathname = url.parse( |
requestURL |
.pathname |
.replace( |
config.site.rewrite[key], key |
), |
), |
true |
) |
.pathname; |
callback({ |
message: 'Rewrite path: ' + |
originalPath + |
' to: ' + |
requestURL.path, |
severity: 'info' |
}); |
} |
}); |
callback({ |
message: 'Rewrite path: ' + |
originalPath + |
' to: ' + |
requestURL.path, |
severity: 'info' |
}); |
} |
}); |
|
const trimmedPath = requestURL |
.pathname |
.split('/') |
.filter(Boolean) |
.join('/'); |
const requestPath = trimmedPath === '/' ? |
path.join(root, trimmedPath) : |
path.resolve(root, trimmedPath); |
const trimmedPath = requestURL |
.pathname |
.split('/') |
.filter(Boolean) |
.join('/'); |
const requestPath = trimmedPath === '/' ? |
path.join(root, trimmedPath) : |
path.resolve(root, trimmedPath); |
|
fs.realpath(requestPath, (error, resolvedPath) => { |
// If the path does not exist, then return early. |
if (error) { |
process.nextTick(() => { |
callback({ |
message: 'Unknown path requested: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' requesting: ' + |
requestURL.pathname, |
severity: 'warning', |
status: 404 |
}); |
fs.realpath(requestPath, (error, resolvedPath) => { |
// If the path does not exist, then return early. |
if (error) { |
callback({ |
message: 'Unknown path requested: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' requesting: ' + |
requestURL.pathname, |
severity: 'warning' |
}, { |
status: 404, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
// Check for path traversals early on and bail if the requested path does not |
// lie within the specified document root. |
isRooted(resolvedPath, root, path.sep, (rooted) => { |
if (!rooted) { |
callback({ |
message: 'Attempted path traversal: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' requesting: ' + |
requestURL.pathname, |
severity: 'warning' |
}, { |
status: 404, |
data: new stream.Readable({ |
read(size) { |
this.push(null); |
} |
}), |
type: 'text/plain' |
}); |
return; |
} |
// Check for path traversals early on and bail if the requested path does not |
// lie within the specified document root. |
isRooted(resolvedPath, root, path.sep, (rooted) => { |
if (!rooted) { |
process.nextTick(() => { |
callback({ |
message: 'Attempted path traversal: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' requesting: ' + |
requestURL.pathname, |
severity: 'warning', |
status: 404 |
}); |
}); |
return; |
} |
|
// If authentication is required for this path then perform authentication. |
if (config.auth.locations.some( |
(authPath) => authPath.toUpperCase() === requestURL.pathname.toUpperCase())) { |
// Create digest authentication. |
const authentication = auth.digest({ |
realm: config.auth.realm, |
file: path.resolve( |
path.dirname(require.main.filename), |
config.auth.digest |
) |
}); |
// Requested location requires authentication. |
authentication.check(request, response, (request, response) => { |
process.nextTick(() => { |
callback({ |
message: 'Authenticated client: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' accessing: ' + |
requestURL.pathname, |
severity: 'info' |
}); |
}); |
serve(config, |
requestPath, |
requestURL.pathname, |
requestAddress, |
callback |
); |
}); |
return; |
} |
|
// If no authentication is required then serve the request. |
process.nextTick(() => { |
// If authentication is required for this path then perform authentication. |
if (config.auth.locations.some( |
(authPath) => authPath.toUpperCase() === requestURL.pathname.toUpperCase())) { |
// Create digest authentication. |
const authentication = auth.digest({ |
realm: config.auth.realm, |
file: path.resolve( |
path.dirname(require.main.filename), |
config.auth.digest |
) |
}); |
// Requested location requires authentication. |
authentication.check(request, response, (request, response) => { |
callback({ |
message: 'Client: ' + |
message: 'Authenticated client: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' accessing: ' + |
@@ -315,14 +337,31 @@ |
requestURL.pathname, |
severity: 'info' |
}); |
serve(config, |
requestPath, |
requestURL.pathname, |
requestAddress, |
callback |
); |
}); |
serve(config, |
requestPath, |
return; |
} |
|
// If no authentication is required then serve the request. |
callback({ |
message: 'Client: ' + |
requestAddress.address + ':' + |
requestAddress.port + |
' accessing: ' + |
requestURL.pathname, |
requestAddress, |
callback |
); |
severity: 'info' |
}); |
serve(config, |
requestPath, |
requestURL.pathname, |
requestAddress, |
callback |
); |
}); |
}); |
} |