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Add support for PDF (needs uPDFParser library)

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This commit is contained in:
Grégory Soutadé
2021-08-21 20:57:31 +02:00
parent 8bc346d139
commit 3d9e343734
13 changed files with 262 additions and 35 deletions
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64
src/libgourou.cpp
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@@ -22,6 +22,8 @@
#include <time.h>
#include <vector>
#include <uPDFParser.h>
#include <libgourou.h>
#include <libgourou_common.h>
#include <libgourou_log.h>
@@ -299,11 +301,11 @@ namespace gourou
appendTextElem(root, "adept:expiration", buffer);
}
ByteArray DRMProcessor::sendRequest(const std::string& URL, const std::string& POSTdata, const char* contentType)
ByteArray DRMProcessor::sendRequest(const std::string& URL, const std::string& POSTdata, const char* contentType, std::map<std::string, std::string>* responseHeaders)
{
if (contentType == 0)
contentType = "";
std::string reply = client->sendHTTPRequest(URL, POSTdata, contentType);
std::string reply = client->sendHTTPRequest(URL, POSTdata, contentType, responseHeaders);
pugi::xml_document replyDoc;
replyDoc.load_buffer(reply.c_str(), reply.length());
@@ -580,12 +582,16 @@ namespace gourou
return new FulfillmentItem(fulfillReply, user);
}
void DRMProcessor::download(FulfillmentItem* item, std::string path)
DRMProcessor::ITEM_TYPE DRMProcessor::download(FulfillmentItem* item, std::string path)
{
ITEM_TYPE res = EPUB;
if (!item)
EXCEPTION(DW_NO_ITEM, "No item");
std::map<std::string, std::string> headers;
ByteArray replyData = sendRequest(item->getDownloadURL());
ByteArray replyData = sendRequest(item->getDownloadURL(), "", 0, &headers);
writeFile(path, replyData);
@@ -593,9 +599,53 @@ namespace gourou
std::string rightsStr = item->getRights();
void* handler = client->zipOpen(path);
client->zipWriteFile(handler, "META-INF/rights.xml", rightsStr);
client->zipClose(handler);
if (headers.count("Content-Type") && headers["Content-Type"] == "application/pdf")
res = PDF;
if (res == EPUB)
{
void* handler = client->zipOpen(path);
client->zipWriteFile(handler, "META-INF/rights.xml", rightsStr);
client->zipClose(handler);
}
else if (res == PDF)
{
uPDFParser::Parser parser;
try
{
GOUROU_LOG(DEBUG, "Parse PDF");
parser.parse(path);
}
catch(std::invalid_argument& e)
{
GOUROU_LOG(ERROR, "Invalid PDF");
return res;
}
std::vector<uPDFParser::Object*> objects = parser.objects();
std::vector<uPDFParser::Object*>::reverse_iterator it;
for(it = objects.rbegin(); it != objects.rend(); it++)
{
// Update EBX_HANDLER with rights
if ((*it)->hasKey("Filter") && (**it)["Filter"]->str() == "/EBX_HANDLER")
{
uPDFParser::Object* ebx = (*it)->clone();
(*ebx)["ADEPT_ID"] = new uPDFParser::String(item->getResource());
(*ebx)["EBX_BOOKID"] = new uPDFParser::String(item->getResource());
ByteArray zipped;
client->deflate(rightsStr, zipped);
(*ebx)["ADEPT_LICENSE"] = new uPDFParser::String(zipped.toBase64());
parser.addObject(ebx);
break;
}
}
parser.write(path, true);
}
return res;
}
void DRMProcessor::buildSignInRequest(pugi::xml_document& signInRequest,