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[expo] update UserAgent and add fallback when Ameblo optimization doe… #254

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Merged
yssk22 merged 1 commit into from
Aug 20, 2025
Merged

[expo] update UserAgent and add fallback when Ameblo optimization doe… #254

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1 change: 1 addition & 0 deletions expo/app.config.default.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@ module.exports = {
usesNonExemptEncryption: false
},
infoPlist: {
ITSAppUsesNonExemptEncryption: false,
CFBundleAllowMixedLocalizations: true,
NSAppTransportSecurity: {
NSExceptionDomains: {
Expand Down
37 changes: 29 additions & 8 deletions expo/features/feed/internals/FeedItemAmebloOptimizedView.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,28 +16,43 @@ export default function FeedItemAmebloOptimizedView({ url }: FeedItemAmebloOptim
// TODO: Use the optimized content for web
return <div>Post content here</div>;
}
if (state.data?.optimizedHtml) {
return (
<>
<WebView source={{ html: state.data?.optimizedHtml }} />
</>
);
}
// fallback
return (
<>
<WebView source={{ html: state.data! }} />
<WebView source={{ uri: url }} />
</>
);
}

const UserAgent =
'Mozilla/5.0 (Linux; Android 11; Pixel 5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.91 Mobile Safari/537.36';
'Mozilla/5.0 (iPhone; CPU iPhone OS 16_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Mobile/15E148 Safari/604.1';
const AmebloEntryIDUrlRegExp = /\/([^/]+)\/entry-(\d+)\.html/;
const AmebloInitDataRegExp = /\s*window\.INIT_DATA\s*=\s*(\{.*\});\s*window\.RESOURCE_BASE_URL/; // /(?s)window\.INIT_DATA\s*=\s*(\{.*\});\s*window\.RESOURCE_BASE_URL/;

async function getAmebloOptimizedContent(url: string): Promise<string> {
type AmebloContent = {
originalHtml: string;
optimizedHtml?: string;
};

async function getAmebloOptimizedContent(url: string): Promise<AmebloContent> {
const matched = url.match(AmebloEntryIDUrlRegExp);
if (matched == null || matched.length < 3) {
return '';
throw new Error('invalid URL');
}
const id = matched[2];
const { html } = await fetchContent(url);
const entryText = extractEntryText(html, id);
return `
<!DOCTYPE html>
try {
const entryText = extractEntryText(html, id);
return {
originalHtml: html,
optimizedHtml: `<!DOCTYPE html>
<html lang="ja" class="no-js">
<head>
<meta charset="utf-8" />
Expand Down Expand Up @@ -65,7 +80,13 @@ async function getAmebloOptimizedContent(url: string): Promise<string> {
</article>
</body>
</html>
`;
`
};
} catch {
return {
originalHtml: html
};
}
}

function extractEntryText(html: string, id: string) {
Expand Down
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