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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import { load } from 'cheerio'; | ||
| import axios, { AxiosResponse } from 'axios'; | ||
| import { Buffer } from 'buffer'; | ||
|
|
||
| export async function dowloadMetaFileBase64(url: string): Promise<string> { | ||
| const backImage = | ||
| 'iVBORw0KGgoAAAANSUhEUgAAAGMAAABjCAIAAAAAWSnCAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAA0SURBVHhe7cExAQAAAMKg9U9tCj8gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADipAXM+AAFcstx4AAAAAElFTkSuQmCC'; | ||
| try { | ||
| const response: AxiosResponse<string> = await axios(url); | ||
| const htmlContent: string = response.data; | ||
| const $ = load(htmlContent); | ||
| let thumbnail = ''; | ||
|
|
||
| $('link[type="image/png"]').each((index, element) => { | ||
| const imgURL = $(element).attr('href'); | ||
| if (imgURL) { | ||
| if (!imgURL.includes('http')) { | ||
| thumbnail = url + imgURL; | ||
| } else { | ||
| thumbnail = imgURL; | ||
| } | ||
| return false; | ||
| } | ||
| }); | ||
|
|
||
| $('meta[property="og:image"]').each((index, element) => { | ||
| const imgURL = $(element).attr('content'); | ||
| if (imgURL) { | ||
| if (!imgURL.includes('http')) { | ||
| thumbnail = url + imgURL; | ||
| } else { | ||
| thumbnail = imgURL; | ||
| } | ||
| return false; | ||
| } | ||
| }); | ||
|
|
||
| $('meta[itemprop="image"]').each((index, element) => { | ||
| const imgURL = $(element).attr('content'); | ||
| if (imgURL) { | ||
| if (!imgURL.includes('http')) { | ||
| thumbnail = url + imgURL; | ||
| } else { | ||
| thumbnail = imgURL; | ||
| } | ||
| return false; | ||
| } | ||
| }); | ||
|
|
||
| if (!thumbnail) { | ||
| $('meta[name="twitter:image"]').each((index, element) => { | ||
| const imgURL = $(element).attr('content'); | ||
| if (imgURL) { | ||
| if (!imgURL.includes('http')) { | ||
| thumbnail = url + imgURL; | ||
| } else { | ||
| thumbnail = imgURL; | ||
| } | ||
| return false; | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| if (thumbnail) { | ||
| const imageResponse: AxiosResponse<ArrayBuffer> = await axios(thumbnail, { | ||
| responseType: 'arraybuffer' | ||
| }); | ||
| const base64Thumbnail = Buffer.from(imageResponse.data).toString( | ||
| 'base64' | ||
| ); | ||
|
|
||
| return base64Thumbnail; | ||
| } | ||
| return backImage; | ||
| } catch (e) { | ||
| console.log('Erro meta thumbnail', e); | ||
| return backImage; | ||
| } | ||
| } |
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#2395