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Add error handling for private tweets, 404s

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dangered wolf 2022-07-15 15:59:24 -04:00
parent c45814c092
commit 5fbe0be3bf
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GPG key ID: 41E4D37680ED8B58
4 changed files with 69 additions and 13 deletions
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2
src/fetch.ts
View file

@ -62,7 +62,7 @@ export const fetchUsingGuest = async (status: string): Promise<TimelineBlobParti
)
).json()) as TimelineBlobPartial;
if (typeof conversation.globalObjects === 'undefined') {
if (typeof conversation.globalObjects === 'undefined' && typeof conversation.errors === 'undefined') {
console.log('Failed to fetch conversation, got', conversation);
continue;
}

42
src/status.ts
View file

@ -7,6 +7,16 @@ import { handleQuote } from './quote';
import { sanitizeText } from './utils';
import { Strings } from './strings';
export const returnError = (error: string) => {
return Strings.BASE_HTML.format({
lang: '',
headers: [
`<meta content="${Constants.BRANDING_NAME}" property="og:title"/>`,
`<meta content="${error}" property="og:description"/>`
].join('')
});
}
export const handleStatus = async (
status: string,
mediaNumber?: number,
@ -34,18 +44,27 @@ export const handleStatus = async (
/* Fallback for if Tweet did not load */
if (typeof tweet.full_text === 'undefined') {
headers.push(
`<meta content="Twitter" property="og:title"/>`,
`<meta content="Tweet failed to load :(" property="og:description"/>`
);
console.log('Invalid status, got tweet ', tweet, ' conversation ', conversation);
return Strings.BASE_HTML.format({
lang: '',
headers: headers.join(''),
tweet: JSON.stringify(tweet)
});
console.log('instructions', conversation.timeline?.instructions.length);
/* We've got timeline instructions, so the Tweet is probably private */
if (conversation.timeline?.instructions?.length > 0) {
return returnError(Strings.ERROR_PRIVATE);
}
/* {"errors":[{"code":34,"message":"Sorry, that page does not exist."}]} */
if (conversation.errors?.[0]?.code === 34) {
return returnError(Strings.ERROR_TWEET_NOT_FOUND);
}
/* Tweets object is completely missing, smells like API failure */
if (typeof conversation?.globalObjects?.tweets === 'undefined') {
return returnError(Strings.ERROR_API_FAIL);
}
/* If we have no idea what happened then just return API error */
return returnError(Strings.ERROR_API_FAIL);
}
let text = tweet.full_text;
@ -57,7 +76,7 @@ export const handleStatus = async (
tweet.extended_entities?.media || tweet.entities?.media || []
);
let authorText = 'Twitter';
let authorText = Strings.DEFAULT_AUTHOR_TEXT;
text = linkFixer(tweet, text);
@ -117,6 +136,7 @@ export const handleStatus = async (
headers.push(
`<meta content="${colorOverride}" property="theme-color"/>`,
`<meta property="og:site_name" content="${Constants.BRANDING_NAME}"/>`,
// Use a slightly higher resolution image for profile pics
`<meta property="og:image" content="${user?.profile_image_url_https.replace(
'_normal',
'_200x200'

6
src/strings.ts
View file

@ -34,5 +34,9 @@ export const Strings = {
███ A better Tweet embedding service
███ by @dangeredwolf, et al.
-->
<head>{headers}</head>`
<head>{headers}</head>`,
DEFAULT_AUTHOR_TEXT: 'Twitter',
ERROR_API_FAIL: 'Tweet failed to load due to an API error :(',
ERROR_PRIVATE: `I can't embed media from private accounts, sorry about that :(`,
ERROR_TWEET_NOT_FOUND: `Sorry, that Tweet doesn't exist :(`
};

32
src/tweetTypes.ts
View file

@ -3,6 +3,34 @@
Note that a lot of these are not actually complete types. Many unused values may be missing.
*/
type TimelineContent = {
item?: {
content?: {
tombstone?: {
timestoneInfo: {
richText: {
text: string;
}
}
}
}
}
}
type TimelineInstruction = {
addEntries?: {
entries: {
content: TimelineContent,
entryId: string
}[]
}
}
type TwitterAPIError = {
code: number;
message: string;
}
type TimelineBlobPartial = {
globalObjects: {
tweets: {
@ -12,6 +40,10 @@ type TimelineBlobPartial = {
[userId: string]: UserPartial;
};
};
timeline: {
instructions: TimelineInstruction[]
},
errors?: TwitterAPIError[]
};
type TweetMediaSize = {