From d02ee3ed241da12aefa938ac0b65ead1f2edd498 Mon Sep 17 00:00:00 2001
From: deep <166912166+deep9977@users.noreply.github.com>
Date: Sun, 3 Nov 2024 09:49:33 +0000
Subject: [PATCH] Added check to make sure hash is valid hex (#153)

---
 src/project_parser.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/project_parser.cpp b/src/project_parser.cpp
index b1ceea6..a9be666 100644
--- a/src/project_parser.cpp
+++ b/src/project_parser.cpp
@@ -550,6 +550,14 @@ Project::Project(const Project *parent, const std::string &path, bool build) : p
                         algo.push_back(ch);
                     }
                     key = "URL_HASH";
+                    if (value.empty()) {
+                        throw_key_error("Empty hash value", argItr.first, argItr.second);
+                    }
+                    for (char c : value) {
+                        if (!std::isxdigit(c)) {
+                            throw_key_error("Hash value must be a hex string", argItr.first, argItr.second);
+                        }
+                    }
                     value = algo + "=" + value;
                 } else if (key == "hash") {
                     key = "URL_HASH";