public virtual void StartedPart(IDictionary <string, string> headers)
{
if (document == null)
{
jsonBuffer = new ByteArrayBuffer(1024);
}
else
{
curAttachment = database.GetAttachmentWriter();
string contentDisposition = headers.Get("Content-Disposition");
if (contentDisposition != null && contentDisposition.StartsWith("attachment; filename="
))
{
// TODO: Parse this less simplistically. Right now it assumes it's in exactly the same
// format generated by -[CBL_Pusher uploadMultipartRevision:]. CouchDB (as of 1.2) doesn't
// output any headers at all on attachments so there's no compatibility issue yet.
string contentDispositionUnquoted = Misc.UnquoteString(contentDisposition);
string name = Sharpen.Runtime.Substring(contentDispositionUnquoted, 21);
if (name != null)
{
attachmentsByName.Put(name, curAttachment);
}
}
}
}
public void StartedPart(IDictionary <String, String> headers)
{
if (document == null)
{
StartJsonBuffer(headers);
}
else
{
Log.To.Sync.V(TAG, "{0} starting attachment #{1}...", this, attachmentsByDigest.Count + 1);
curAttachment = database.AttachmentWriter;
if (curAttachment == null)
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.AttachmentError, TAG,
"Cannot create blob store writer for the attachment");
}
var name = default(string);
var contentDisposition = headers.Get("Content-Disposition");
if (contentDisposition != null && contentDisposition.StartsWith("attachment; filename="))
{
// TODO: Parse this less simplistically. Right now it assumes it's in exactly the same
// format generated by -[CBL_Pusher uploadMultipartRevision:]. CouchDB (as of 1.2) doesn't
// output any headers at all on attachments so there's no compatibility issue yet.
var contentDispositionUnquoted = Misc.UnquoteString(contentDisposition);
name = contentDispositionUnquoted.Substring(21);
if (name != null)
{
attachmentsByName[name] = curAttachment;
}
}
var contentEncoding = headers.Get("Content-Encoding");
if (contentEncoding == "gzip")
{
if (name != null)
{
try {
var attachEncoding = document.GetCast <IDictionary <string, object> >("_attachments").
GetCast <IDictionary <string, object> >(name).GetCast <string>("encoding");
if (attachEncoding != "gzip")
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.UnsupportedType, TAG,
"Attachment '{0}' MIME body is gzipped but attachment isn't",
new SecureLogString(name, LogMessageSensitivity.PotentiallyInsecure));
}
} catch (NullReferenceException) {
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.UnsupportedType, TAG,
"NullReferenceException caught; _attachments was not present or encoding was " +
"not present in _attachments");
}
}
}
else if (contentEncoding != null)
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.UnsupportedType, TAG,
"Received unsupported Content-Encoding '{0}'", contentEncoding);
}
}
}
public void StartedPart(IDictionary <String, String> headers)
{
if (document == null)
{
StartJsonBuffer(headers);
}
else
{
Log.V(TAG, " Starting attachment #{0}...", attachmentsBySHA1Digest.Count + 1);
curAttachment = database.AttachmentWriter;
if (curAttachment == null)
{
const string msg = "Cannot create blob store writer for the attachment";
Log.W(TAG, msg);
throw new CouchbaseLiteException(msg, StatusCode.AttachmentError);
}
var name = default(string);
var contentDisposition = headers.Get("Content-Disposition");
if (contentDisposition != null && contentDisposition.StartsWith("attachment; filename="))
{
// TODO: Parse this less simplistically. Right now it assumes it's in exactly the same
// format generated by -[CBL_Pusher uploadMultipartRevision:]. CouchDB (as of 1.2) doesn't
// output any headers at all on attachments so there's no compatibility issue yet.
var contentDispositionUnquoted = Misc.UnquoteString(contentDisposition);
name = contentDispositionUnquoted.Substring(21);
if (name != null)
{
attachmentsByName.Put(name, curAttachment);
}
}
var contentEncoding = headers.Get("Content-Encoding");
if (contentEncoding == "gzip")
{
if (name != null)
{
try {
var attachEncoding = document.GetCast <IDictionary <string, object> >("_attachments").
GetCast <IDictionary <string, object> >(name).GetCast <string>("encoding");
if (attachEncoding != "gzip")
{
Log.W(TAG, "Attachment '{0}' MIME body is gzipped but attachment isn't", name);
throw new CouchbaseLiteException(StatusCode.UnsupportedType);
}
} catch (NullReferenceException) {
throw new CouchbaseLiteException(StatusCode.UnsupportedType);
}
}
}
else if (contentEncoding != null)
{
Log.W(TAG, "Received unsupported Content-Encoding '{0}'", contentEncoding);
throw new CouchbaseLiteException(StatusCode.UnsupportedType);
}
}
}
public void FinishedPart()
{
if (jsonBuffer != null)
{
ParseJsonBuffer();
}
else
{
curAttachment.Finish();
String md5String = curAttachment.MD5DigestString();
attachmentsByMd5Digest.Put(md5String, curAttachment);
curAttachment = null;
}
}
public void FinishedPart()
{
if (jsonBuffer != null)
{
ParseJsonBuffer();
}
else
{
curAttachment.Finish();
String sha1String = curAttachment.SHA1DigestString();
attachmentsBySHA1Digest.Put(sha1String, curAttachment);
curAttachment = null;
}
}
public void FinishedPart()
{
if (jsonBuffer != null)
{
ParseJsonBuffer();
}
else
{
curAttachment.Finish();
var sha1String = curAttachment.SHA1DigestString();
Log.To.Sync.V(TAG, "{0} finished attachment #{1}: {2}", this, attachmentsByDigest.Count + 1, curAttachment);
attachmentsByDigest[sha1String] = curAttachment;
curAttachment = null;
}
}
// Update the given attachment using the provided info
private static CouchbaseLiteResponse UpdateAttachment(ICouchbaseListenerContext context, Database db,
string attachment, string docId, BlobStoreWriter body)
{
var castContext = context as ICouchbaseListenerContext2;
var source = castContext != null && !castContext.IsLoopbackRequest ? castContext.Sender : null;
RevisionInternal rev = db.UpdateAttachment(attachment, body, context.RequestHeaders["Content-Type"], AttachmentEncoding.None,
docId, (context.GetQueryParam("rev") ?? context.IfMatch()).AsRevID(), source);
var response = context.CreateResponse();
response.JsonBody = new Body(new Dictionary <string, object> {
{ "ok", true },
{ "id", rev.DocID },
{ "rev", rev.RevID }
});
context.CacheWithEtag(rev.RevID.ToString());
if (body != null)
{
response["Location"] = context.RequestUrl.AbsoluteUri;
}
return(response);
}
// Update the given attachment using the provided info
private static CouchbaseLiteResponse UpdateAttachment(ICouchbaseListenerContext context, Database db,
string attachment, string docId, BlobStoreWriter body)
{
RevisionInternal rev = db.UpdateAttachment(attachment, body, context.RequestHeaders["Content-Type"], AttachmentEncoding.None,
docId, context.GetQueryParam("rev") ?? context.IfMatch());
var response = context.CreateResponse();
response.JsonBody = new Body(new Dictionary<string, object> {
{ "ok", true },
{ "id", rev.GetDocId() },
{ "rev", rev.GetRevId() }
});
context.CacheWithEtag(rev.GetRevId());
if (body != null) {
response["Location"] = context.RequestUrl.AbsoluteUri;
}
return response;
}
private void RegisterAttachments()
{
int numAttachmentsInDoc = 0;
IDictionary <string, object> attachments = (IDictionary <string, object>)document.Get
("_attachments");
if (attachments == null)
{
return;
}
foreach (string attachmentName in attachments.Keys)
{
IDictionary <string, object> attachment = (IDictionary <string, object>)attachments
.Get(attachmentName);
int length = 0;
if (attachment.ContainsKey("length"))
{
length = ((int)attachment.Get("length"));
}
if (attachment.ContainsKey("encoded_length"))
{
length = ((int)attachment.Get("encoded_length"));
}
if (attachment.ContainsKey("follows") && ((bool)attachment.Get("follows")) == true)
{
// Check that each attachment in the JSON corresponds to an attachment MIME body.
// Look up the attachment by either its MIME Content-Disposition header or MD5 digest:
string digest = (string)attachment.Get("digest");
BlobStoreWriter writer = attachmentsByName.Get(attachmentName);
if (writer != null)
{
// Identified the MIME body by the filename in its Disposition header:
string actualDigest = writer.MD5DigestString();
if (digest != null && !digest.Equals(actualDigest) && !digest.Equals(writer.SHA1DigestString
()))
{
string errMsg = string.Format("Attachment '%s' has incorrect MD5 digest (%s; should be %s)"
, attachmentName, digest, actualDigest);
throw new InvalidOperationException(errMsg);
}
attachment.Put("digest", actualDigest);
}
else
{
if (digest != null)
{
writer = attachmentsByMd5Digest.Get(digest);
if (writer == null)
{
string errMsg = string.Format("Attachment '%s' does not appear in MIME body (%s; should be %s)"
, attachmentName);
throw new InvalidOperationException(errMsg);
}
}
else
{
if (attachments.Count == 1 && attachmentsByMd5Digest.Count == 1)
{
// Else there's only one attachment, so just assume it matches & use it:
writer = attachmentsByMd5Digest.Values.GetEnumerator().Next();
attachment.Put("digest", writer.MD5DigestString());
}
else
{
// No digest metatata, no filename in MIME body; give up:
string errMsg = string.Format("Attachment '%s' has no digest metadata; cannot identify MIME body"
, attachmentName);
throw new InvalidOperationException(errMsg);
}
}
}
// Check that the length matches:
if (writer.GetLength() != length)
{
string errMsg = string.Format("Attachment '%s' has incorrect length field %d (should be %d)"
, attachmentName, length, writer.GetLength());
throw new InvalidOperationException(errMsg);
}
++numAttachmentsInDoc;
}
else
{
if (attachment.ContainsKey("data") && length > 1000)
{
string msg = string.Format("Attachment '%s' sent inline (len=%d). Large attachments "
+ "should be sent in MIME parts for reduced memory overhead.", attachmentName);
Log.W(Database.Tag, msg);
}
}
}
if (numAttachmentsInDoc < attachmentsByMd5Digest.Count)
{
string msg = string.Format("More MIME bodies (%d) than attachments (%d) ", attachmentsByMd5Digest
.Count, numAttachmentsInDoc);
throw new InvalidOperationException(msg);
}
// hand over the (uninstalled) blobs to the database to remember:
database.RememberAttachmentWritersForDigests(attachmentsByMd5Digest);
}
// Update the given attachment using the provided info
private static CouchbaseLiteResponse UpdateAttachment(ICouchbaseListenerContext context, Database db,
string attachment, string docId, BlobStoreWriter body)
{
RevisionInternal rev = db.UpdateAttachment(attachment, body, context.RequestHeaders["Content-Type"], AttachmentEncoding.None,
docId, context.GetQueryParam("rev") ?? context.IfMatch());
var response = context.CreateResponse();
response.JsonBody = new Body(new Dictionary <string, object> {
{ "ok", true },
{ "id", rev.GetDocId() },
{ "rev", rev.GetRevId() }
});
context.CacheWithEtag(rev.GetRevId());
if (body != null)
{
response["Location"] = context.RequestUrl.AbsoluteUri;
}
return(response);
}
// Update the given attachment using the provided info
private static CouchbaseLiteResponse UpdateAttachment(ICouchbaseListenerContext context, Database db,
string attachment, string docId, BlobStoreWriter body)
{
var castContext = context as ICouchbaseListenerContext2;
var source = castContext != null && !castContext.IsLoopbackRequest ? castContext.Sender : null;
RevisionInternal rev = db.UpdateAttachment(attachment, body, context.RequestHeaders["Content-Type"], AttachmentEncoding.None,
docId, (context.GetQueryParam("rev") ?? context.IfMatch()).AsRevID(), source);
var response = context.CreateResponse();
response.JsonBody = new Body(new Dictionary<string, object> {
{ "ok", true },
{ "id", rev.DocID },
{ "rev", rev.RevID }
});
context.CacheWithEtag(rev.RevID.ToString());
if (body != null) {
response["Location"] = context.RequestUrl.AbsoluteUri;
}
return response;
}
