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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | 7x 7x 5x 5x 2x 5x 5x 2x 11x 11x 10x 2x 8x 6x 6x 6x 1x 1x 6x 1x 1x 6x 5x 5x 5x 5x 5x 5x 5x 1x 8x 8x 8x 8x 8x 7x 8x 8x 3x 4x 4x 4x 2x 2x 2x 3x 3x 3x 1x 1x 1x | import { BaseHandler } from './base-handler.js';
import {
MarkdownEndpointOptions,
MarkdownEndpointResponse,
ScreenshotEndpointOptions,
ScreenshotEndpointResponse,
PDFEndpointOptions,
PDFEndpointResponse,
HTMLEndpointOptions,
HTMLEndpointResponse,
FilterType,
} from '../types.js';
import * as fs from 'fs/promises';
import * as path from 'path';
import * as os from 'os';
export class ContentHandlers extends BaseHandler {
async getMarkdown(
options: Omit<MarkdownEndpointOptions, 'f' | 'q' | 'c'> & { filter?: string; query?: string; cache?: string },
) {
try {
// Map from schema property names to API parameter names
const result: MarkdownEndpointResponse = await this.service.getMarkdown({
url: options.url,
f: options.filter as FilterType | undefined, // Schema provides 'filter', API expects 'f'
q: options.query, // Schema provides 'query', API expects 'q'
c: options.cache, // Schema provides 'cache', API expects 'c'
});
// Format the response
let formattedText = `URL: ${result.url}\nFilter: ${result.filter}`;
if (result.query) {
formattedText += `\nQuery: ${result.query}`;
}
formattedText += `\nCache: ${result.cache}\n\nMarkdown:\n${result.markdown || 'No content found.'}`;
return {
content: [
{
type: 'text',
text: formattedText,
},
],
};
} catch (error) {
throw this.formatError(error, 'get markdown');
}
}
async captureScreenshot(options: ScreenshotEndpointOptions) {
try {
const result: ScreenshotEndpointResponse = await this.service.captureScreenshot(options);
// Response has { success: true, screenshot: "base64string" }
if (!result.success || !result.screenshot) {
throw new Error('Screenshot capture failed - no screenshot data in response');
}
let savedFilePath: string | undefined;
// Save to local directory if requested
if (options.save_to_directory) {
try {
// Resolve home directory path
let resolvedPath = options.save_to_directory;
if (resolvedPath.startsWith('~')) {
const homedir = os.homedir();
resolvedPath = path.join(homedir, resolvedPath.slice(1));
}
// Check if user provided a file path instead of directory
if (resolvedPath.endsWith('.png') || resolvedPath.endsWith('.jpg')) {
console.warn(
`Warning: save_to_directory should be a directory path, not a file path. Using parent directory.`,
);
resolvedPath = path.dirname(resolvedPath);
}
// Ensure directory exists
await fs.mkdir(resolvedPath, { recursive: true });
// Generate filename from URL and timestamp
const url = new URL(options.url);
const hostname = url.hostname.replace(/[^a-z0-9]/gi, '-');
const timestamp = new Date().toISOString().replace(/[:.]/g, '-').slice(0, -5);
const filename = `${hostname}-${timestamp}.png`;
savedFilePath = path.join(resolvedPath, filename);
// Convert base64 to buffer and save
const buffer = Buffer.from(result.screenshot, 'base64');
await fs.writeFile(savedFilePath, buffer);
} catch (saveError) {
// Log error but don't fail the operation
console.error('Failed to save screenshot locally:', saveError);
}
}
const textContent = savedFilePath
? `Screenshot captured for: ${options.url}\nSaved to: ${savedFilePath}`
: `Screenshot captured for: ${options.url}`;
// If saved locally and screenshot is large (>800KB), don't return the base64 data
const screenshotSize = Buffer.from(result.screenshot, 'base64').length;
const shouldReturnImage = !savedFilePath || screenshotSize < 800 * 1024; // 800KB threshold
const content = [];
if (shouldReturnImage) {
content.push({
type: 'image',
data: result.screenshot,
mimeType: 'image/png',
});
}
content.push({
type: 'text',
text: shouldReturnImage
? textContent
: `${textContent}\n\nNote: Screenshot data not returned due to size (${Math.round(screenshotSize / 1024)}KB). View the saved file instead.`,
});
return { content };
} catch (error) {
throw this.formatError(error, 'capture screenshot');
}
}
async generatePDF(options: PDFEndpointOptions) {
try {
const result: PDFEndpointResponse = await this.service.generatePDF(options);
// Response has { success: true, pdf: "base64string" }
if (!result.success || !result.pdf) {
throw new Error('PDF generation failed - no PDF data in response');
}
return {
content: [
{
type: 'resource',
resource: {
uri: `data:application/pdf;name=${encodeURIComponent(new URL(String(options.url)).hostname)}.pdf;base64,${result.pdf}`,
mimeType: 'application/pdf',
blob: result.pdf,
},
},
{
type: 'text',
text: `PDF generated for: ${options.url}`,
},
],
};
} catch (error) {
throw this.formatError(error, 'generate PDF');
}
}
async getHTML(options: HTMLEndpointOptions) {
try {
const result: HTMLEndpointResponse = await this.service.getHTML(options);
// Response has { html: string, url: string, success: true }
return {
content: [
{
type: 'text',
text: result.html || '',
},
],
};
} catch (error) {
throw this.formatError(error, 'get HTML');
}
}
async extractWithLLM(options: { url: string; query: string }) {
try {
const result = await this.service.extractWithLLM(options);
return {
content: [
{
type: 'text',
text: result.answer,
},
],
};
} catch (error) {
throw this.formatError(error, 'extract with LLM');
}
}
}
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