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-rw-r--r--lib/serve.js9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/serve.js b/lib/serve.js
index 7237a88..b61505b 100644
--- a/lib/serve.js
+++ b/lib/serve.js
@@ -2131,6 +2131,13 @@ Serve.prototype.blob = function (id, path) {
if (/^invalid/.test(err.message)) return self.respond(400, err.message)
else return self.respond(500, err.message || err)
}
+ if (key) {
+ // Transform size of boxed blob to size of cleartext.
+ // Assume that the blob contains box-stream packets that are all full 4096-byte packets except maybe the last one, plus one goodbye packet
+ // boxedlen = origlen + ceil(origlen / 4096)*34 + 34
+ const numBoxHeaders = Math.ceil((size - 34) / 4130) + 1
+ size -= numBoxHeaders * 34
+ }
self.res.setHeader('Accept-Ranges', 'bytes')
var range = self.req.headers.range
if (range) {
@@ -2150,7 +2157,7 @@ Serve.prototype.blob = function (id, path) {
start = Number(start)
last = Number(last)
}
- if (start > size || last >= size) return res.writeHead(416, 'Range not satisfiable')
+ if (start > size || last >= size) return self.respond(416, 'Range not satisfiable')
var end = last + 1
var length = end - start
var wroteHeaders = false