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+/**
+ * @file llfacebookconnect.h
+ * @author Merov, Cho, Gil
+ * @brief Connection to Facebook Service
+ *
+ * $LicenseInfo:firstyear=2013&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2013, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfacebookconnect.h"
+
+#include "llagent.h"
+#include "llcallingcard.h" // for LLAvatarTracker
+#include "llcommandhandler.h"
+#include "llhttpclient.h"
+#include "llnotificationsutil.h"
+#include "llurlaction.h"
+#include "llimagepng.h"
+
+
+// Local function
+void prompt_user_for_error(U32 status, const std::string& reason, const std::string& code, const std::string& description)
+{
+ // Note: 302 (redirect) is *not* an error that warrants prompting the user
+ if (status != 302)
+ {
+ LLSD args(LLSD::emptyMap());
+ std::stringstream msg;
+ msg << status;
+ args["STATUS"] = msg.str();
+ args["REASON"] = reason;
+ args["CODE"] = code;
+ args["DESCRIPTION"] = description;
+ LLNotificationsUtil::add("FacebookCannotConnect", args);
+ }
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookConnectHandler : public LLCommandHandler
+{
+public:
+ LLFacebookConnectHandler() : LLCommandHandler("fbc", UNTRUSTED_THROTTLE) { }
+
+ bool handle(const LLSD& tokens, const LLSD& query_map, LLMediaCtrl* web)
+ {
+ if (tokens.size() > 0)
+ {
+ if (tokens[0].asString() == "connect")
+ {
+ if (query_map.has("code"))
+ {
+ LLFacebookConnect::instance().connectToFacebook(query_map["code"]);
+ }
+ return true;
+ }
+ }
+ return false;
+ }
+};
+LLFacebookConnectHandler gFacebookConnectHandler;
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookConnectResponder : public LLHTTPClient::Responder
+{
+ LOG_CLASS(LLFacebookConnectResponder);
+public:
+ LLFacebookConnectResponder()
+ {
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTION_IN_PROGRESS);
+ }
+
+ virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (isGoodStatus(status))
+ {
+ LL_DEBUGS("FacebookConnect") << "Connect successful. content: " << content << LL_ENDL;
+
+ // Grab some graph data now that we are connected
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTED);
+ LLFacebookConnect::instance().loadFacebookFriends();
+ }
+ else
+ {
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTION_FAILED);
+ prompt_user_for_error(status, reason, content.get("error_code"), content.get("error_description"));
+ LL_WARNS("FacebookConnect") << "Failed to get a response. reason: " << reason << " status: " << status << LL_ENDL;
+ }
+ }
+
+ void completedHeader(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (status == 302)
+ {
+ LLFacebookConnect::instance().openFacebookWeb(content["location"]);
+ }
+ }
+
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookShareResponder : public LLHTTPClient::Responder
+{
+ LOG_CLASS(LLFacebookShareResponder);
+public:
+
+ LLFacebookShareResponder() {}
+ LLFacebookShareResponder(LLFacebookConnect::share_callback_t cb) : mShareCallback(cb) {}
+
+ virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (isGoodStatus(status))
+ {
+ LL_DEBUGS("FacebookConnect") << "Post successful. content: " << content << LL_ENDL;
+ }
+ else
+ {
+ prompt_user_for_error(status, reason, content.get("error_code"), content.get("error_description"));
+ LL_WARNS("FacebookConnect") << "Failed to get a post response. reason: " << reason << " status: " << status << LL_ENDL;
+ }
+
+ if (mShareCallback)
+ {
+ mShareCallback(isGoodStatus(status));
+ }
+ }
+
+ void completedHeader(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (status == 302)
+ {
+ LLFacebookConnect::instance().openFacebookWeb(content["location"]);
+ }
+ }
+
+private:
+ LLFacebookConnect::share_callback_t mShareCallback;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookDisconnectResponder : public LLHTTPClient::Responder
+{
+ LOG_CLASS(LLFacebookDisconnectResponder);
+public:
+
+ virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (isGoodStatus(status))
+ {
+ LL_DEBUGS("FacebookConnect") << "Disconnect successful. content: " << content << LL_ENDL;
+
+ // Clear all facebook stuff
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_NOT_CONNECTED);
+ LLFacebookConnect::instance().clearContent();
+ }
+ else
+ {
+ prompt_user_for_error(status, reason, content.get("error_code"), content.get("error_description"));
+ LL_WARNS("FacebookConnect") << "Failed to get a response. reason: " << reason << " status: " << status << LL_ENDL;
+ }
+ }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookConnectedResponder : public LLHTTPClient::Responder
+{
+ LOG_CLASS(LLFacebookConnectedResponder);
+public:
+
+ LLFacebookConnectedResponder()
+ {
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTION_IN_PROGRESS);
+ }
+
+ virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (isGoodStatus(status))
+ {
+ LL_DEBUGS("FacebookConnect") << "Connect successful. content: " << content << LL_ENDL;
+
+ // Grab some graph data if already connected
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTED);
+ LLFacebookConnect::instance().loadFacebookFriends();
+ }
+ else
+ {
+ LL_WARNS("FacebookConnect") << "Failed to get a response. reason: " << reason << " status: " << status << LL_ENDL;
+
+ // show the facebook login page if not connected yet
+ if (status == 404)
+ {
+ LLFacebookConnect::instance().connectToFacebook();
+ }
+ else
+ {
+ LLFacebookConnect::instance().setConnectionState(LLFacebookConnect::FB_CONNECTION_FAILED);
+ prompt_user_for_error(status, reason, content.get("error_code"), content.get("error_description"));
+ }
+ }
+ }
+
+private:
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+class LLFacebookFriendsResponder : public LLHTTPClient::Responder
+{
+ LOG_CLASS(LLFacebookFriendsResponder);
+public:
+
+ virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (isGoodStatus(status))
+ {
+ llinfos << "Facebook: Friends list received" << llendl;
+ LL_DEBUGS("FacebookConnect") << "Getting Facebook friends successful. content: " << content << LL_ENDL;
+ LLFacebookConnect::instance().storeContent(content);
+ }
+ else
+ {
+ prompt_user_for_error(status, reason, content.get("error_code"), content.get("error_description"));
+ LL_WARNS("FacebookConnect") << "Failed to get a response. reason: " << reason << " status: " << status << LL_ENDL;
+ }
+ }
+
+ void completedHeader(U32 status, const std::string& reason, const LLSD& content)
+ {
+ if (status == 302)
+ {
+ LLFacebookConnect::instance().openFacebookWeb(content["location"]);
+ }
+ }
+};
+
+///////////////////////////////////////////////////////////////////////////////
+//
+LLFacebookConnect::LLFacebookConnect()
+: mConnectionState(FB_NOT_CONNECTED),
+ mContent(),
+ mGeneration(0)
+{
+}
+
+void LLFacebookConnect::openFacebookWeb(std::string url)
+{
+ LLUrlAction::openURLExternal(url);
+}
+
+std::string LLFacebookConnect::getFacebookConnectURL(const std::string& route)
+{
+ //static std::string sFacebookConnectUrl = gAgent.getRegion()->getCapability("FacebookConnect");
+ static std::string sFacebookConnectUrl = "https://pdp15.lindenlab.com/fbc/agent/" + gAgentID.asString(); // TEMPORARY HACK FOR FB DEMO - Cho
+ std::string url = sFacebookConnectUrl + route;
+ llinfos << url << llendl;
+ return url;
+}
+
+void LLFacebookConnect::connectToFacebook(const std::string& auth_code)
+{
+ LLSD body;
+ if (!auth_code.empty())
+ body["code"] = auth_code;
+
+ LLHTTPClient::put(getFacebookConnectURL("/connection"), body, new LLFacebookConnectResponder());
+}
+
+void LLFacebookConnect::disconnectFromFacebook()
+{
+ LLHTTPClient::del(getFacebookConnectURL("/connection"), new LLFacebookDisconnectResponder());
+}
+
+void LLFacebookConnect::getConnectionToFacebook()
+{
+ if ((mConnectionState == FB_NOT_CONNECTED) || (mConnectionState == FB_CONNECTION_FAILED))
+ {
+ const bool follow_redirects=false;
+ const F32 timeout=HTTP_REQUEST_EXPIRY_SECS;
+ LLHTTPClient::get(getFacebookConnectURL("/connection"), new LLFacebookConnectedResponder(),
+ LLSD(), timeout, follow_redirects);
+ }
+}
+
+void LLFacebookConnect::loadFacebookFriends()
+{
+ const bool follow_redirects=false;
+ const F32 timeout=HTTP_REQUEST_EXPIRY_SECS;
+ LLHTTPClient::get(getFacebookConnectURL("/friends"), new LLFacebookFriendsResponder(),
+ LLSD(), timeout, follow_redirects);
+}
+
+void LLFacebookConnect::postCheckin(const std::string& location, const std::string& name, const std::string& description, const std::string& image, const std::string& message)
+{
+ LLSD body;
+ if (!location.empty())
+ body["location"] = location;
+ if (!name.empty())
+ body["name"] = name;
+ if (!description.empty())
+ body["description"] = description;
+ if (!image.empty())
+ body["image"] = image;
+ if (!message.empty())
+ body["message"] = message;
+
+ // Note: we can use that route for different publish action. We should be able to use the same responder.
+ LLHTTPClient::post(getFacebookConnectURL("/share/checkin"), body, new LLFacebookShareResponder(mPostCheckinCallback));
+}
+
+void LLFacebookConnect::sharePhoto(const std::string& image_url, const std::string& caption)
+{
+ LLSD body;
+ body["image"] = image_url;
+ body["caption"] = caption;
+
+ // Note: we can use that route for different publish action. We should be able to use the same responder.
+ LLHTTPClient::post(getFacebookConnectURL("/share/photo"), body, new LLFacebookShareResponder());
+}
+
+void LLFacebookConnect::sharePhoto(LLPointer<LLImageFormatted> image, const std::string& caption)
+{
+ // All this code is mostly copied from LLWebProfile::post()
+ if (dynamic_cast<LLImagePNG*>(image.get()) == 0)
+ {
+ llwarns << "Image to upload is not a PNG" << llendl;
+ llassert(dynamic_cast<LLImagePNG*>(image.get()) != 0);
+ return;
+ }
+
+ const std::string boundary = "----------------------------0123abcdefab";
+
+ LLSD headers;
+ headers["Content-Type"] = "multipart/form-data; boundary=" + boundary;
+
+ std::ostringstream body;
+
+ // *NOTE: The order seems to matter.
+ body << "--" << boundary << "\r\n"
+ << "Content-Disposition: form-data; name=\"caption\"\r\n\r\n"
+ << caption << "\r\n";
+
+ body << "--" << boundary << "\r\n"
+ << "Content-Disposition: form-data; name=\"image\"; filename=\"snapshot.png\"\r\n"
+ << "Content-Type: image/png\r\n\r\n";
+
+ // Insert the image data.
+ // *FIX: Treating this as a string will probably screw it up ...
+ U8* image_data = image->getData();
+ for (S32 i = 0; i < image->getDataSize(); ++i)
+ {
+ body << image_data[i];
+ }
+
+ body << "\r\n--" << boundary << "--\r\n";
+
+ // postRaw() takes ownership of the buffer and releases it later.
+ size_t size = body.str().size();
+ U8 *data = new U8[size];
+ memcpy(data, body.str().data(), size);
+
+ // Note: we can use that route for different publish action. We should be able to use the same responder.
+ LLHTTPClient::postRaw(getFacebookConnectURL("/share/photo"), data, size, new LLFacebookShareResponder(mSharePhotoCallback), headers);
+}
+
+void LLFacebookConnect::updateStatus(const std::string& message)
+{
+ LLSD body;
+ body["message"] = message;
+
+ // Note: we can use that route for different publish action. We should be able to use the same responder.
+ LLHTTPClient::post(getFacebookConnectURL("/share/wall"), body, new LLFacebookShareResponder(mUpdateStatusCallback));
+}
+
+void LLFacebookConnect::storeContent(const LLSD& content)
+{
+ mGeneration++;
+ mContent = content;
+
+ if(mContentUpdatedCallback)
+ {
+ mContentUpdatedCallback();
+ }
+}
+
+const LLSD& LLFacebookConnect::getContent() const
+{
+ return mContent;
+}
+
+void LLFacebookConnect::clearContent()
+{
+ mGeneration++;
+ mContent = LLSD();
+}
+
+
+
+
+
+
+
+
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