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fix: Improve header handling in CrawlerOptions.from()

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This commit is contained in:
Harsh Gupta (aider) 2024-08-15 14:59:51 +05:30
parent c77135490b
commit f6ee7ca6e5
1 changed files with 21 additions and 13 deletions
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34
backend/functions/src/dto/scrapping-options.ts
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@ -190,21 +190,29 @@ export class CrawlerOptions extends AutoCastable {
static override from(input: any) {
const instance = super.from(input) as CrawlerOptions;
const ctx = Reflect.get(input, RPC_CALL_ENVIRONMENT) as {
req: Request,
res: Response,
} | undefined;
const ctx = Reflect.get(input, RPC_CALL_ENVIRONMENT);
console.log('RPC_CALL_ENVIRONMENT:', ctx);
console.log(`ctx: ${JSON.stringify(ctx)}`);
const customMode = ctx?.req.get('x-respond-with') || ctx?.req.get('x-return-format');
console.log(`customMode: ${customMode}`);
if (customMode !== undefined) {
instance.respondWith = customMode;
}
if (ctx && typeof ctx === 'object' && 'req' in ctx && 'res' in ctx) {
const typedCtx = ctx as { req: Request, res: Response };
console.log('Request headers:', typedCtx.req.headers);
const withGeneratedAlt = ctx?.req.get('x-with-generated-alt');
if (withGeneratedAlt !== undefined) {
instance.withGeneratedAlt = Boolean(withGeneratedAlt);
const getHeader = (name: string): string | undefined => {
const value = typedCtx.req.headers[name.toLowerCase()];
return Array.isArray(value) ? value[0] : value;
};
const customMode = getHeader('X-Respond-With') || getHeader('X-Return-Format');
if (customMode) {
instance.respondWith = customMode;
}
const withGeneratedAlt = getHeader('X-With-Generated-Alt');
if (withGeneratedAlt !== undefined) {
instance.withGeneratedAlt = withGeneratedAlt.toLowerCase() === 'true';
}
} else {
console.warn('Invalid or missing RPC_CALL_ENVIRONMENT');
}
const withLinksSummary = ctx?.req.get('x-with-links-summary');
if (withLinksSummary !== undefined) {