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remove duplicate code (#312)

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* remove duplicate code

* Update login.dart
This commit is contained in:
My-Responsitories
2025-02-24 06:55:08 +00:00
committed by GitHub
parent 192cd60a4f
commit 9e242fb902
5 changed files with 76 additions and 114 deletions
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50
lib/utils/utils.dart
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@@ -765,7 +765,6 @@ class Utils {
static String generateRandomString(int length) {
const characters = '0123456789abcdefghijklmnopqrstuvwxyz';
Random random = Random();
return String.fromCharCodes(Iterable.generate(length,
(_) => characters.codeUnitAt(random.nextInt(characters.length))));
@@ -777,66 +776,43 @@ class Utils {
}
// 1. Convert UID to a byte array.
List<int> midByte = utf8.encode(uid.toString());
List<int> resultByte = List<int>.filled(midByte.length, 0);
var midByte = utf8.encode(uid.toString());
// 2. XOR each byte with the corresponding byte from the key.
const key = 'ad1va46a7lza';
for (int i = 0; i < midByte.length; i++) {
resultByte[i] = midByte[i] ^ key.codeUnitAt(i % key.length);
midByte[i] ^= key.codeUnitAt(i % key.length);
}
// 3. Perform Base64 encoding without padding.
String base64Encoded =
base64.encode(resultByte).replaceAll('=', ''); // Remove padding
base64.encode(midByte).replaceAll('=', ''); // Remove padding
// Return the resulting x-bili-aurora-eid.
return base64Encoded;
}
static String genRandomString(int length) {
const characters = '0123456789abcdefghijklmnopqrstuvwxyz';
Random random = Random();
return List.generate(
length, (index) => characters[random.nextInt(characters.length)])
.join();
}
// static String genRandomString(int length) {
// const characters = '0123456789abcdefghijklmnopqrstuvwxyz';
// Random random = Random();
// return List.generate(
// length, (index) => characters[random.nextInt(characters.length)])
// .join();
// }
static String genTraceId() {
// 1. Generate a 32-character random string (random_id).
String randomId = genRandomString(32);
String randomId = generateRandomString(32);
// 2. Take the first 24 characters of random_id as random_trace_id.
StringBuffer randomTraceId = StringBuffer(randomId.substring(0, 24));
// 3. Initialize an array b_arr with a length of 3, initial values are 0.
List<int> bArr = List.filled(3, 0);
// Get the current timestamp.
int ts = DateTime.now().millisecondsSinceEpoch ~/ 1000;
// Using a loop to traverse b_arr from high to low.
for (int i = 2; i >= 0; i--) {
ts >>= 8; // Right shift ts by 8 bits.
bArr[i] = (ts ~/ 128) % 2 == 0
? (ts % 256)
: (ts % 256) - 256; // Assign value based on condition.
}
// 4. Convert each element in b_arr to a two-digit hexadecimal string and append to random_trace_id.
for (int value in bArr) {
randomTraceId
.write(value.toRadixString(16).padLeft(2, '0')); // Convert to hex.
.write(random.nextInt(256).toRadixString(16).padLeft(2, '0'));
}
// 5. Append the 31st and 32nd characters of random_id to random_trace_id.
randomTraceId.write(randomId.substring(30, 32));
// 6. Finally, concatenate as '{random_trace_id}:{random_trace_id[16..32]}:0:0'.
String randomTraceIdFinal =
'${randomTraceId.toString()}:${randomTraceId.toString().substring(16, 32)}:0:0';
return randomTraceIdFinal;
return '${randomTraceId.toString()}:${randomTraceId.toString().substring(16, 32)}:0:0';
}
static void viewBangumi({