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fix: Implement manual JSON parsing for LSL 2048-char limit

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LSL truncates HTTP responses at 2048 characters, breaking JSON parser.
Implemented manual string parsing to extract:
- tag_name (version)
- html_url (release page)
- published_at (release date)

This works around LSL's HTTP response limitation and provides
reliable GitHub release detection.
This commit is contained in:
RebeccaNod1 2025-10-02 11:35:53 -05:00
parent baca2893a5
commit e96fb38f3e
1 changed files with 43 additions and 30 deletions
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73
Update_Checker.lsl
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@ -287,42 +287,55 @@ default {
updateCheckInProgress = FALSE; updateCheckInProgress = FALSE;
if (status == 200) { if (status == 200) {
// Debug: Show response info first if (VERBOSE_LOGGING) {
llOwnerSay("📊 Response received: " + (string)llStringLength(body) + " characters"); llOwnerSay("📊 GitHub response: " + (string)llStringLength(body) + " chars (LSL limit: 2048)");
// Try to find tag_name manually first as a test
integer tagPos = llSubStringIndex(body, "\"tag_name\":");
if (tagPos == -1) {
llOwnerSay("❌ GitHub response doesn't contain tag_name field");
llOwnerSay("🔍 First 200 chars: " + llGetSubString(body, 0, 199));
return;
} }
// Try simple JSON parsing // LSL truncates HTTP responses at 2048 chars, breaking JSON parser
string latestVersion = llJsonGetValue(body, ["tag_name"]); // Use manual parsing instead
string latestVersion = "";
string htmlUrl = "";
string publishedAt = "";
if (latestVersion == JSON_INVALID) { // Extract tag_name manually
llOwnerSay("❌ LSL JSON parser failed on GitHub response"); integer tagStart = llSubStringIndex(body, "\"tag_name\":\"");
llOwnerSay("🔍 Manual search found tag_name at position: " + (string)tagPos); if (tagStart != -1) {
// Try to extract version manually integer versionStart = tagStart + 12; // Skip '"tag_name":"'
string searchStr = llGetSubString(body, tagPos + 12, tagPos + 50); integer versionEnd = llSubStringIndex(llGetSubString(body, versionStart, -1), "\"");
llOwnerSay("🔍 Around tag_name: " + searchStr); if (versionEnd != -1) {
return; latestVersion = llGetSubString(body, versionStart, versionStart + versionEnd - 1);
}
// If we get here, JSON parsing worked
string htmlUrl = llJsonGetValue(body, ["html_url"]);
string publishedAt = llJsonGetValue(body, ["published_at"]);
// Parse release notes with error handling
string releaseNotes = llJsonGetValue(body, ["body"]);
if (releaseNotes == JSON_INVALID) {
releaseNotes = "Release notes unavailable";
if (VERBOSE_LOGGING) {
llOwnerSay("⚠️ Could not parse release notes - may contain special characters");
} }
} }
// Extract html_url manually
integer urlStart = llSubStringIndex(body, "\"html_url\":\"");
if (urlStart != -1) {
integer urlValueStart = urlStart + 12; // Skip '"html_url":"'
integer urlEnd = llSubStringIndex(llGetSubString(body, urlValueStart, -1), "\"");
if (urlEnd != -1) {
htmlUrl = llGetSubString(body, urlValueStart, urlValueStart + urlEnd - 1);
}
}
// Extract published_at manually
integer pubStart = llSubStringIndex(body, "\"published_at\":\"");
if (pubStart != -1) {
integer pubValueStart = pubStart + 15; // Skip '"published_at":"'
integer pubEnd = llSubStringIndex(llGetSubString(body, pubValueStart, -1), "\"");
if (pubEnd != -1) {
publishedAt = llGetSubString(body, pubValueStart, pubValueStart + pubEnd - 1);
}
}
if (latestVersion == "") {
llOwnerSay("❌ Could not extract version from truncated GitHub response");
llOwnerSay("🔍 Response was cut off at 2048 characters");
return;
}
// Skip release notes parsing - response is truncated at 2048 chars
string releaseNotes = "Release notes available on GitHub (response truncated)";
llOwnerSay("=== 🔍 UPDATE CHECK RESULTS ==="); llOwnerSay("=== 🔍 UPDATE CHECK RESULTS ===");
llOwnerSay("📊 Current Version: v" + CURRENT_VERSION); llOwnerSay("📊 Current Version: v" + CURRENT_VERSION);
llOwnerSay("✨ Latest GitHub Release: " + latestVersion); llOwnerSay("✨ Latest GitHub Release: " + latestVersion);