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Merge branch 'dev' of https://github.com/SillyLossy/TavernAI into dev

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SillyLossy
2023-05-19 18:07:24 +03:00
parent 259f865c8b 9f3c35dfa6
commit ee7c4ee78f
2 changed files with 75 additions and 55 deletions
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58
server.js
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@ -63,7 +63,9 @@ const utf8Encode = new TextEncoder();
const utf8Decode = new TextDecoder('utf-8', { ignoreBOM: true });
const commandExistsSync = require('command-exists').sync;
const characterCardParser = require('./src/character-card-parser.js');
const config = require(path.join(process.cwd(), './config.conf'));
const server_port = process.env.SILLY_TAVERN_PORT || config.port;
const whitelistPath = path.join(process.cwd(), "./whitelist.txt");
@ -913,61 +915,7 @@ async function tryReadImage(img_url, crop) {
}
async function charaRead(img_url, input_format) {
let format;
if (input_format === undefined) {
if (img_url.indexOf('.webp') !== -1) {
format = 'webp';
} else {
format = 'png';
}
} else {
format = input_format;
}
switch (format) {
case 'webp':
try {
const exif_data = await ExifReader.load(fs.readFileSync(img_url));
let char_data;
if (exif_data['UserComment']['description']) {
let description = exif_data['UserComment']['description'];
if (description === 'Undefined' && exif_data['UserComment'].value && exif_data['UserComment'].value.length === 1) {
description = exif_data['UserComment'].value[0];
}
try {
json5.parse(description);
char_data = description;
} catch {
const byteArr = description.split(",").map(Number);
const uint8Array = new Uint8Array(byteArr);
const char_data_string = utf8Decode.decode(uint8Array);
char_data = char_data_string;
}
} else {
console.log('No description found in EXIF data.');
return false;
}
return char_data;
}
catch (err) {
console.log(err);
return false;
}
case 'png':
const buffer = fs.readFileSync(img_url);
const chunks = extract(buffer);
const textChunks = chunks.filter(function (chunk) {
return chunk.name === 'tEXt';
}).map(function (chunk) {
return PNGtext.decode(chunk.data);
});
var base64DecodedData = Buffer.from(textChunks[0].text, 'base64').toString('utf8');
return base64DecodedData;//textChunks[0].text;
default:
break;
}
return characterCardParser.parse(img_url, input_format);
}
app.post("/getcharacters", jsonParser, function (request, response) {

72
src/character-card-parser.js Normal file
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@ -0,0 +1,72 @@
const fs = require('fs');
const json5 = require('json5');
const ExifReader = require('exifreader');
const extract = require('png-chunks-extract');
const PNGtext = require('png-chunk-text');
const utf8Decode = new TextDecoder('utf-8', { ignoreBOM: true });
const parse = async (cardUrl, format) => {
let fileFormat;
if (format === undefined) {
if (cardUrl.indexOf('.webp') !== -1)
fileFormat = 'webp';
else
fileFormat = 'png';
}
else
fileFormat = format;
switch (fileFormat) {
case 'webp':
try {
const exif_data = await ExifReader.load(fs.readFileSync(cardUrl));
let char_data;
if (exif_data['UserComment']['description']) {
let description = exif_data['UserComment']['description'];
if (description === 'Undefined' && exif_data['UserComment'].value && exif_data['UserComment'].value.length === 1) {
description = exif_data['UserComment'].value[0];
}
try {
json5.parse(description);
char_data = description;
} catch {
const byteArr = description.split(",").map(Number);
const uint8Array = new Uint8Array(byteArr);
const char_data_string = utf8Decode.decode(uint8Array);
char_data = char_data_string;
}
}
else {
console.log('No description found in EXIF data.');
return false;
}
return char_data;
}
catch (err) {
console.log(err);
return false;
}
case 'png':
const buffer = fs.readFileSync(cardUrl);
const chunks = extract(buffer);
const textChunks = chunks.filter(function (chunk) {
return chunk.name === 'tEXt';
}).map(function (chunk) {
return PNGtext.decode(chunk.data);
});
return Buffer.from(textChunks[0].text, 'base64').toString('utf8');
default:
break;
}
};
module.exports = {
parse: parse
};