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Fix assembly editor base64 decoding

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This commit is contained in:
Nicole Rappe
2025-10-03 21:53:53 -06:00
parent 903c01d6f0
commit aaf5bc02e7
1 changed files with 30 additions and 7 deletions
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37
Data/Server/WebUI/src/Assemblies/Assembly_Editor.jsx
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@@ -202,28 +202,51 @@ function decodeBase64String(data = "") {
if (typeof data !== "string") {
return { success: false, value: "" };
}
if (!data.trim()) {
const trimmed = data.trim();
if (!trimmed) {
return { success: true, value: "" };
}
const sanitized = trimmed.replace(/\s+/g, "");
try {
if (typeof window !== "undefined" && typeof window.atob === "function") {
const binary = window.atob(data);
const binary = window.atob(sanitized);
if (typeof TextDecoder !== "undefined") {
const decoder = new TextDecoder("utf-8", { fatal: false });
return { success: true, value: decoder.decode(Uint8Array.from(binary, (c) => c.charCodeAt(0))) };
try {
const decoder = new TextDecoder("utf-8", { fatal: false });
return {
success: true,
value: decoder.decode(Uint8Array.from(binary, (c) => c.charCodeAt(0)))
};
} catch (err) {
// fall through to manual reconstruction
}
}
let decoded = "";
for (let i = 0; i < binary.length; i += 1) {
decoded += String.fromCharCode(binary.charCodeAt(i));
}
try {
return { success: true, value: decodeURIComponent(escape(decoded)) };
} catch (err) {
return { success: true, value: decoded };
}
return { success: true, value: binary };
}
} catch (err) {
// fall through to Buffer fallback
}
try {
if (typeof Buffer !== "undefined") {
return { success: true, value: Buffer.from(data, "base64").toString("utf-8") };
return { success: true, value: Buffer.from(sanitized, "base64").toString("utf-8") };
}
} catch (err) {
// ignore
}
return { success: false, value: "" };
}
@@ -278,7 +301,7 @@ function fromServerDocument(doc = {}, defaultType = "powershell") {
const encoding = (doc.script_encoding || doc.scriptEncoding || "").toLowerCase();
if (["base64", "b64", "base-64"].includes(encoding)) {
const decoded = decodeBase64String(script);
assembly.script = decoded.success ? decoded.value : "";
assembly.script = decoded.success ? decoded.value : script;
} else if (!encoding) {
const decoded = decodeBase64String(script);
assembly.script = decoded.success ? decoded.value : script;