check version string with regex

report-viewer/src/App.vue

@@ -41,7 +41,7 @@ import { computed, ref } from 'vue'
 library.add(faMoon)
 library.add(faSun)
 
-const newestVersion = ref(new Version(-1, -1, -1))
+const newestVersion = ref(Version.ERROR_VERSION)
 const isDemo = import.meta.env.MODE == 'demo'
 const hasShownToast = ref(sessionStorage.getItem('hasShownToast') == 'true')
 
@@ -75,6 +75,6 @@ fetch('https://api.github.com/repos/jplag/JPlag/releases/latest')
     )
   })
   .catch(() => {
-    newestVersion.value = new Version(-1, -1, -1)
+    newestVersion.value = Version.ERROR_VERSION
   })
 </script>

report-viewer/src/model/Version.ts

@@ -8,6 +8,8 @@ export class Version {
   private readonly minor: number
   private readonly patch: number
 
+  public static readonly ERROR_VERSION = new Version(-1, -1, -1)
+
   constructor(major: number, minor: number, patch: number) {
     this.major = major
     this.minor = minor
@@ -40,7 +42,7 @@ export class Version {
     if (versionField) {
       return new Version(versionField.major, versionField.minor, versionField.patch)
     }
-    return new Version(-1, -1, -1)
+    return Version.ERROR_VERSION
   }
 }
 

report-viewer/src/views/OldVersionRedirectView.vue

@@ -55,6 +55,9 @@ const props = defineProps({
 })
 
 const uploadedVersion = computed(() => {
+  if (!props.version.match(/^\d+\.\d+\.\d+$/)) {
+    return Version.ERROR_VERSION
+  }
   const parts = props.version.split('.').map(Number)
   return new Version(parts[0], parts[1], parts[2])
 })