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fix: Add input validation and bounds checking to parsing methods (#990)

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* fix: Resolved boundary condition issues in string processing

Addressed null and length checks during string splitting across multiple model classes to prevent potential null pointer exceptions and array out-of-bounds errors

* fix: Throw exceptions instead of silently returning when package manager output formats are invalid

Modified the _pacman, _opkg, and _apk parsing methods to throw exceptions when input formats are invalid, rather than silently returning, to prevent potential error handling issues.
This commit is contained in:
GT610
2026-01-06 23:47:49 +08:00
committed by GitHub
parent 06ed38ff45
commit 26efb8e185
5 changed files with 10 additions and 4 deletions
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3
lib/data/model/pkg/upgrade_info.dart
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@@ -62,6 +62,7 @@ class UpgradePkgInfo {
void _parsePacman(String raw) {
final parts = raw.split(' ');
if (parts.length < 4) throw Exception('Invalid pacman output format');
package = parts[0];
nowVersion = parts[1];
newVersion = parts[3];
@@ -70,6 +71,7 @@ class UpgradePkgInfo {
void _parseOpkg(String raw) {
final parts = raw.split(' - ');
if (parts.length < 3) throw Exception('Invalid opkg output format');
package = parts[0];
nowVersion = parts[1];
newVersion = parts[2];
@@ -80,6 +82,7 @@ class UpgradePkgInfo {
void _parseApk(String raw) {
final parts = raw.split(' ');
final len = parts.length;
if (len < 2) throw Exception('Invalid apk output format');
newVersion = parts[len - 1];
nowVersion = parts[0];
newVersion = newVersion.substring(0, newVersion.length - 1);