65 lines
1.1 KiB
JavaScript
65 lines
1.1 KiB
JavaScript
class RequestHandler {
|
|
constructor(method, matcher, handleFn) {
|
|
this.method = method;
|
|
this.matcher = matcher;
|
|
this.handleFn = handleFn;
|
|
this.cacheMaxAge = 0;
|
|
this.allowAllOrigins = false;
|
|
this.info = `Custom handler at ${this.method} ${this.matcher}`;
|
|
}
|
|
|
|
setCacheMaxAge(seconds) {
|
|
this.cacheMaxAge = seconds;
|
|
return this;
|
|
}
|
|
|
|
setCrossOrigin(allowAll) {
|
|
this.allowAllOrigins = allowAll;
|
|
return this;
|
|
}
|
|
|
|
applyCommonHeaders(req, res) {
|
|
if(this.allowAllOrigins) {
|
|
res.setHeader('Access-Control-Allow-Origin', '*');
|
|
}
|
|
if(this.cacheMaxAge > 0) {
|
|
res.setHeader(
|
|
'Cache-Control',
|
|
`public, max-age=${this.cacheMaxAge}`
|
|
);
|
|
}
|
|
}
|
|
|
|
apply(req, res, info) {
|
|
if(req.method !== this.method) {
|
|
return false;
|
|
}
|
|
const match = this.matcher.exec(req.url);
|
|
if(!match) {
|
|
return false;
|
|
}
|
|
if(this.handle(req, res, Object.assign({match}, info)) === false) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
handle(req, res, info) {
|
|
return this.handleFn(req, res, info);
|
|
}
|
|
|
|
printInfo(target) {
|
|
target.write(this.info + '\n');
|
|
}
|
|
|
|
begin() {
|
|
return true;
|
|
}
|
|
|
|
close() {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
module.exports = {RequestHandler};
|