Add files via upload

2026-06-07 06:43:55 +02:00 · 2026-03-27 22:27:03 +08:00
parent 5b82924035
commit 0d262cb30b
35 changed files with 1835 additions and 0 deletions
@@ -0,0 +1,80 @@
+package burp;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Minimal JSON extractor for the SSE payloads we emit:
+ * {"type":"...","message":"...","data":...}
+ *
+ * This is NOT a general-purpose JSON parser; it's intentionally small to avoid external deps.
+ */
+final class SimpleJson {
+    private SimpleJson() {}
+
+    static Map<String, String> extractTopLevelStringFields(String json, String... keys) {
+        Map<String, String> out = new HashMap<>();
+        if (json == null) return out;
+        for (String key : keys) {
+            out.put(key, extractStringField(json, key));
+        }
+        return out;
+    }
+
+    static String extractStringField(String json, String key) {
+        if (json == null || key == null) return "";
+        String needle = "\"" + key + "\"";
+        int k = json.indexOf(needle);
+        if (k < 0) return "";
+        int colon = json.indexOf(':', k + needle.length());
+        if (colon < 0) return "";
+        int i = colon + 1;
+        while (i < json.length() && Character.isWhitespace(json.charAt(i))) i++;
+        if (i >= json.length() || json.charAt(i) != '"') return "";
+        i++; // after opening quote
+        StringBuilder sb = new StringBuilder();
+        boolean esc = false;
+        while (i < json.length()) {
+            char c = json.charAt(i++);
+            if (esc) {
+                switch (c) {
+                    case '"': sb.append('"'); break;
+                    case '\\': sb.append('\\'); break;
+                    case '/': sb.append('/'); break;
+                    case 'b': sb.append('\b'); break;
+                    case 'f': sb.append('\f'); break;
+                    case 'n': sb.append('\n'); break;
+                    case 'r': sb.append('\r'); break;
+                    case 't': sb.append('\t'); break;
+                    case 'u':
+                        if (i + 3 < json.length()) {
+                            String hex = json.substring(i, i + 4);
+                            try {
+                                sb.append((char) Integer.parseInt(hex, 16));
+                                i += 4;
+                            } catch (NumberFormatException ignored) {
+                                // best-effort: keep raw
+                                sb.append("\\u").append(hex);
+                                i += 4;
+                            }
+                        }
+                        break;
+                    default:
+                        sb.append(c);
+                }
+                esc = false;
+                continue;
+            }
+            if (c == '\\') {
+                esc = true;
+                continue;
+            }
+            if (c == '"') {
+                break;
+            }
+            sb.append(c);
+        }
+        return sb.toString();
+    }
+}
+