Support videos with C2PA info

src/components/file_mode/EventAttachmentInfo.vue

@@ -45,23 +45,45 @@ onMounted(() => {
     const a = attachment;
     loadingProof.value = true;
     metaStripped.value = true;
-    a.loadSrc()
+
-      .then((data) => {
+    const isVideo = a.event.getContent().msgtype == "m.video";
-        if (data && data.data) {
+    if (isVideo) {
-          return proofmode.proofCheckSource(data.data).then((res) => {
+      a.loadBlob()
-            a.proof = res;
+        .then((data) => {
-            if (res?.integrity?.c2pa) {
+          if (data && data.data) {
-              // If we have proof, overwrite the flags
+            return proofmode.proofCheckFile(new File([data.data], a.name)).then((res) => {
-              a.mediaMetadata = extractMediaMetadata(a.proof);
+              a.proof = res;
-            }
+              if (res?.integrity?.c2pa) {
-            updateMetaStripped(a);
+                // If we have proof, overwrite the flags
-          });
+                a.mediaMetadata = extractMediaMetadata(a.proof);
-        }
+              }
-      })
+              updateMetaStripped(a);
-      .catch(() => {})
+            });
-      .finally(() => {
+          }
-        loadingProof.value = false;
+        })
-      });
+        .catch(() => { })
+        .finally(() => {
+          loadingProof.value = false;
+        });
+    } else {
+      a.loadSrc()
+        .then((data) => {
+          if (data && data.data) {
+            return proofmode.proofCheckSource(data.data).then((res) => {
+              a.proof = res;
+              if (res?.integrity?.c2pa) {
+                // If we have proof, overwrite the flags
+                a.mediaMetadata = extractMediaMetadata(a.proof);
+              }
+              updateMetaStripped(a);
+            });
+          }
+        })
+        .catch(() => { })
+        .finally(() => {
+          loadingProof.value = false;
+        });
+    }
   } else {
     updateMetaStripped(attachment);
   }

src/models/attachmentManager.ts

@@ -204,6 +204,8 @@ export class AttachmentManager {
         }
       });
       attachment.thumbnail = thumb;
+      attachment.proof = await proofmode.proofCheckFile(file);
+      attachment.mediaMetadata = extractMediaMetadata(attachment.proof);
     }
 
     attachment.status = "loaded";

src/models/proof.ts

@@ -129,11 +129,11 @@ const pathsC2PASource = (): FlagValue[] => {
   return [
     {
       path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exif:Make",
-      transform: getExifMakeModelPrefixed,
+      transform: getMakeModel,
     },
     {
       path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exif:Model",
-      transform: getExifMakeModelPrefixed,
+      transform: getMakeModel,
     },
     {
       path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions|c2pa.actions.v2]/data/actions[action=c2pa.created]/softwareAgent/name",
@@ -141,6 +141,15 @@ const pathsC2PASource = (): FlagValue[] => {
     {
       path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions|c2pa.actions.v2]/data/actions[action=c2pa.created]/softwareAgent",
     },
+    {
+      path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/tiff:Make",
+      transform: getMakeModel,
+    },
+    {
+      path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/tiff:Model",
+      transform: getMakeModel,
+    },
+
     {
       path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=c2pa.actions|c2pa.actions.v2]/data/actions[action=c2pa.created]/../../../claim_generator",
     },
@@ -149,8 +158,8 @@ const pathsC2PASource = (): FlagValue[] => {
 
 const pathsExifSource = (): FlagValue[] => {
   return [
-    { path: "integrity/exif/Make", transform: getExifMakeModelNoPrefix },
+    { path: "integrity/exif/Make", transform: getMakeModel },
-    { path: "integrity/exif/Model", transform: getExifMakeModelNoPrefix },
+    { path: "integrity/exif/Model", transform: getMakeModel },
   ];
 };
 
@@ -181,6 +190,8 @@ const pathsC2PACamera = (): FlagValue[] => {
     { path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exif:SceneType", matches: ["^1$", "^directly photographed image$"] },
     { path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exif:LensMake" },
     { path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exif:LensModel" },
+    { path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exifEX:LensMake" },
+    { path: "integrity/c2pa/manifest_info/manifests[]/assertions[label=stds.exif]/data/exifEX:LensModel" },
   ];
 };
 
@@ -284,12 +295,28 @@ const pathsExifCreationDate = (): FlagValue[] => {
   ];
 };
 
-const getExifMakeModelNoPrefix = (ignoredvalue: any, match: FlagMatchRuleValue): string => {
+const getMakeModel = (ignoredval: string, match: FlagMatchRuleValue): string => {
-  return getExifMakeModel(match, "");
+  let prefix: string = "";
-};
 
-const getExifMakeModelPrefixed = (ignoredvalue: any, match: FlagMatchRuleValue): string => {
+  const pathLeaf = match.path.at(0)?.path;
-  return getExifMakeModel(match, "exif:");
+  if (pathLeaf && pathLeaf.indexOf(":") >= 0) {
+    prefix = pathLeaf.substring(0, pathLeaf.indexOf(":") + 1);
+  }
+
+    // Make and model
+  let makeAndModel = "";
+  const make = extractFlagValues(`../${prefix}Make`, match.path)?.at(0)?.value as string;
+  const model = extractFlagValues(`../${prefix}Model`, match.path)?.at(0)?.value as string;
+  if (make) {
+    makeAndModel += getExifValue(make);
+  }
+  if (model) {
+    if (makeAndModel.length > 0) {
+      makeAndModel += ", ";
+    }
+    makeAndModel += getExifValue(model);
+  }
+  return makeAndModel;
 };
 
 const exifStringTransform = (value: any, match: FlagMatchRuleValue): string => {
@@ -320,24 +347,6 @@ const exifStringTransform = (value: any, match: FlagMatchRuleValue): string => {
   return value;
 };
 
-const getExifMakeModel = (match: FlagMatchRuleValue, prefix: string): string => {
-  // Make and model
-  let makeAndModel = "";
-  const make = extractFlagValues(`../${prefix}Make`, match.path)?.at(0)?.value as string;
-  const model = extractFlagValues(`../${prefix}Model`, match.path)?.at(0)?.value as string;
-  if (make) {
-    makeAndModel += getExifValue(make);
-  }
-  if (model) {
-    if (makeAndModel.length > 0) {
-      makeAndModel += ", ";
-    }
-    makeAndModel += getExifValue(model);
-  }
-  return makeAndModel;
-};
-
-
 const extractFlagValues = (flagPath: string, path: FlagMatchRulePathSegment[]): FlagMatchRuleValue[] => {
   const getValues = (keys: string[], path: FlagMatchRulePathSegment[]): FlagMatchRuleValue[] | undefined => {
     if (keys.length == 0 || path.length == 0) return undefined;