@eris/exif - npm Package Compare versions

Comparing version 0.4.2-alpha.15 to 0.4.2-alpha.16

dist/decoder/jpeg-decoder.js

@@ -112,2 +112,3 @@ "use strict";
         while (marker !== END_OF_IMAGE && reader.hasNext()) {
+            log(`read marker ${marker.toString(16)}`);
             if (marker === START_OF_SCAN) {
@@ -114,0 +115,0 @@ // If we reached the scan data, we won't find anymore metadata, skip to the end

dist/decoder/tiff-decoder.js

@@ -123,3 +123,3 @@ "use strict";
             });
-            if (!jpeg_decoder_1.JPEGDecoder.isLikelyJPEG(jpegBuffer))
+            if (!jpeg_decoder_1.JPEGDecoder.isJPEG(jpegBuffer))
                 return;
@@ -159,2 +159,5 @@ const jpeg = new jpeg_decoder_1.JPEGDecoder(jpegBuffer);
         }
+        // If there are too many candidates to evaluate, don't guess randomly
+        if (startCandidates.length * endCandidates.length > 25)
+            return undefined;
         let jpeg;
@@ -170,2 +173,3 @@ let maxWidth = -Infinity;
                     continue;
+                log(`evaluating possible embedded JPEG from ${startIndex} to ${endIndex}`);
                 const jpegBuffer = buffer.slice(startIndex, endIndex + 1);
@@ -172,0 +176,0 @@ if (!jpeg_decoder_1.JPEGDecoder.isJPEG(jpegBuffer))

lib/decoder/jpeg-decoder.ts

@@ -146,2 +146,3 @@ import {TIFFDecoder} from '../decoder/tiff-decoder'
     while (marker !== END_OF_IMAGE && reader.hasNext()) {
+      log(`read marker ${marker.toString(16)}`)
       if (marker === START_OF_SCAN) {
@@ -148,0 +149,0 @@ // If we reached the scan data, we won't find anymore metadata, skip to the end

lib/decoder/tiff-decoder.ts

@@ -160,3 +160,3 @@ import {IFD} from '../decoder/ifd'
 
-      if (!JPEGDecoder.isLikelyJPEG(jpegBuffer)) return
+      if (!JPEGDecoder.isJPEG(jpegBuffer)) return
 
@@ -201,2 +201,5 @@ const jpeg = new JPEGDecoder(jpegBuffer)
 
+    // If there are too many candidates to evaluate, don't guess randomly
+    if (startCandidates.length * endCandidates.length > 25) return undefined
+
     let jpeg: IBufferLike | undefined
@@ -210,2 +213,3 @@ let maxWidth = -Infinity
 
+        log(`evaluating possible embedded JPEG from ${startIndex} to ${endIndex}`)
         const jpegBuffer = buffer.slice(startIndex, endIndex + 1)
@@ -212,0 +216,0 @@ if (!JPEGDecoder.isJPEG(jpegBuffer)) continue

package.json

 {
   "name": "@eris/exif",
-  "version": "0.4.2-alpha.15",
+  "version": "0.4.2-alpha.16",
   "description": "Parses EXIF data.",
@@ -41,3 +41,3 @@ "main": "./dist/index.js",
   },
-  "gitHead": "61be137dec5c0d3a2dafd1065611f3091dbbd60c"
+  "gitHead": "77e41258fa8ab4ca0212eab8d4612c0e7331a1ab"
 }

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Improved metrics

Total package byte prevSize

277471

increased by0.29%

Lines of code

5048

increased by0.18%

No dependency changes