/**
* Resource Guard - Centralized resource validation and security
* Prevents API crashes, resource exhaustion, and security vulnerabilities
*/
export declare const LIMITS: {
readonly IMAGE_MAX_DIMENSION: 4096;
readonly IMAGE_MAX_PIXELS: 8000000;
readonly IMAGE_MAX_SIZE_BYTES: number;
readonly CONTENT_MAX_PER_PAGE: 50000;
readonly CONTENT_MAX_TOTAL: 200000;
readonly HTML_MAX_SIZE: 5000000;
readonly CACHE_MAX_ENTRIES: 500;
readonly CACHE_MAX_SIZE_BYTES: number;
readonly MAX_BROWSERS: 2;
readonly MAX_REDIRECTS: 5;
readonly PAGE_TIMEOUT: 30000;
readonly MAX_CONCURRENT_SCRAPES: 5;
};
export interface UrlValidationResult {
valid: boolean;
url?: string;
error?: string;
}
export declare function validateUrl(urlString: string): UrlValidationResult;
export interface ImageValidationResult {
valid: boolean;
shouldCapture: 'fullPage' | 'viewport' | 'clip';
clipHeight?: number;
useJpeg: boolean;
jpegQuality: number;
warning?: string;
}
export declare function validateImageDimensions(width: number, height: number, requestedFullPage: boolean): ImageValidationResult;
export interface TruncationResult {
content: string;
truncated: boolean;
originalLength: number;
truncatedAt?: number;
}
export declare function truncateContent(content: string, maxLength?: number): TruncationResult;
export declare function truncateHtml(html: string): TruncationResult;
export interface ResponseSizeResult {
valid: boolean;
sizeBytes: number;
sizeFormatted: string;
warning?: string;
}
export declare function validateResponseSize(response: unknown): ResponseSizeResult;
export declare class RedirectTracker {
private redirects;
track(url: string): boolean;
reset(): void;
getCount(url: string): number;
}
export declare function validateContentHandle(handle: string): boolean;
declare const _default: {
LIMITS: {
readonly IMAGE_MAX_DIMENSION: 4096;
readonly IMAGE_MAX_PIXELS: 8000000;
readonly IMAGE_MAX_SIZE_BYTES: number;
readonly CONTENT_MAX_PER_PAGE: 50000;
readonly CONTENT_MAX_TOTAL: 200000;
readonly HTML_MAX_SIZE: 5000000;
readonly CACHE_MAX_ENTRIES: 500;
readonly CACHE_MAX_SIZE_BYTES: number;
readonly MAX_BROWSERS: 2;
readonly MAX_REDIRECTS: 5;
readonly PAGE_TIMEOUT: 30000;
readonly MAX_CONCURRENT_SCRAPES: 5;
};
validateUrl: typeof validateUrl;
validateImageDimensions: typeof validateImageDimensions;
truncateContent: typeof truncateContent;
truncateHtml: typeof truncateHtml;
validateResponseSize: typeof validateResponseSize;
validateContentHandle: typeof validateContentHandle;
RedirectTracker: typeof RedirectTracker;
};
export default _default;
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