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Author SHA1 Message Date
nicokosi f60abf04d8 Fix typos in README.md 2024-04-11 06:05:23 +02:00
soutade 0d77cf55e1 Update version 2024-03-28 21:58:07 +01:00
soutade 86a79cc381 Remove whole EBX objects for PDF when removing DRM 2024-03-28 21:54:23 +01:00
soutade 68bf982b6f Fix use after free in DRMProcessorClientImpl::sendHTTPRequest() 2024-01-24 19:13:22 +01:00
soutade ef8c2644ca Update version 2024-01-16 11:09:31 +01:00
4 changed files with 30 additions and 25 deletions
+5 -5
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@@ -1,16 +1,16 @@
Introduction Introduction
------------ ------------
libgourou is a free implementation of Adobe's ADEPT protocol used to add DRM on ePub/PDF files. It overcome the lacks of Adobe support for Linux platforms. libgourou is a free implementation of Adobe's ADEPT protocol used to add DRM on ePub/PDF files. It overcomes the lack of Adobe support for Linux platforms.
Architecture Architecture
------------ ------------
Like RMSDK, libgourou has a client/server scheme. All platform specific functions (crypto, network...) has to be implemented in a client class (that derives from DRMProcessorClient) while server implements ADEPT protocol. Like RMSDK, libgourou has a client/server scheme. All platform specific functions (crypto, network...) have to be implemented in a client class (that derives from DRMProcessorClient) while server implements ADEPT protocol.
A reference implementation using cURL, OpenSSL and libzip is provided (in _utils_ directory). A reference implementation using cURL, OpenSSL and libzip is provided (in _utils_ directory).
Main fucntions to use from gourou::DRMProcessor are : Main functions to use from gourou::DRMProcessor are:
* Get an ePub from an ACSM file : _fulfill()_ and _download()_ * Get an ePub from an ACSM file : _fulfill()_ and _download()_
* Create a new device : _createDRMProcessor()_ * Create a new device : _createDRMProcessor()_
@@ -23,11 +23,11 @@ You can import configuration from (at least) :
* Kobo device : .adept/device.xml, .adept/devicesalt and .adept/activation.xml * Kobo device : .adept/device.xml, .adept/devicesalt and .adept/activation.xml
* Bookeen device : .adobe-digital-editions/device.xml, root/devkey.bin and .adobe-digital-editions/activation.xml * Bookeen device : .adobe-digital-editions/device.xml, root/devkey.bin and .adobe-digital-editions/activation.xml
Or create a new one. Be careful : there is a limited number of devices that can be created bye one account. Or create a new one. Be careful: there is a limited number of devices that can be created by one account.
ePub are encrypted using a shared key: one account / multiple devices, so you can create and register a device into your computer and read downloaded (and encrypted) ePub file with your eReader configured using the same AdobeID account. ePub are encrypted using a shared key: one account / multiple devices, so you can create and register a device into your computer and read downloaded (and encrypted) ePub file with your eReader configured using the same AdobeID account.
For those who wants to remove DRM without adept_remove, you can export your private key and import it within [Calibre](https://calibre-ebook.com/) an its DeDRM plugin. For those who want to remove DRM without adept_remove, you can export your private key and import it within [Calibre](https://calibre-ebook.com/) an its DeDRM plugin.
Dependencies Dependencies
+1 -1
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@@ -37,7 +37,7 @@
#define ACS_SERVER "http://adeactivate.adobe.com/adept" #define ACS_SERVER "http://adeactivate.adobe.com/adept"
#endif #endif
#define LIBGOUROU_VERSION "0.8.3" #define LIBGOUROU_VERSION "0.8.6"
namespace gourou namespace gourou
{ {
+5 -1
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@@ -1317,6 +1317,7 @@ namespace gourou
std::vector<uPDFParser::Object*> objects = parser.objects(); std::vector<uPDFParser::Object*> objects = parser.objects();
std::vector<uPDFParser::Object*>::iterator it; std::vector<uPDFParser::Object*>::iterator it;
std::vector<uPDFParser::Object*>::reverse_iterator rIt; std::vector<uPDFParser::Object*>::reverse_iterator rIt;
std::vector<uPDFParser::Object*> ebxObjects;
unsigned char decryptedKey[16]; unsigned char decryptedKey[16];
int ebxId; int ebxId;
@@ -1375,7 +1376,7 @@ namespace gourou
if (object->objectId() == ebxId) if (object->objectId() == ebxId)
{ {
// object->deleteKey("Filter"); ebxObjects.push_back(object);
continue; continue;
} }
@@ -1485,6 +1486,9 @@ namespace gourou
} }
} }
for(it = ebxObjects.begin(); it != ebxObjects.end(); it++)
parser.removeObject(*it);
uPDFParser::Object& trailer = parser.getTrailer(); uPDFParser::Object& trailer = parser.getTrailer();
trailer.deleteKey("Encrypt"); trailer.deleteKey("Encrypt");
+4 -3
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@@ -298,14 +298,15 @@ std::string DRMProcessorClientImpl::sendHTTPRequest(const std::string& URL, cons
} }
curl_slist_free_all(list); curl_slist_free_all(list);
long http_code = 400;
curl_easy_getinfo (curl, CURLINFO_RESPONSE_CODE, &http_code);
curl_easy_cleanup(curl); curl_easy_cleanup(curl);
if (res != CURLE_OK) if (res != CURLE_OK)
EXCEPTION(gourou::CLIENT_NETWORK_ERROR, "Error " << curl_easy_strerror(res)); EXCEPTION(gourou::CLIENT_NETWORK_ERROR, "Error " << curl_easy_strerror(res));
long http_code = 400;
curl_easy_getinfo (curl, CURLINFO_RESPONSE_CODE, &http_code);
if (http_code >= 400) if (http_code >= 400)
EXCEPTION(gourou::CLIENT_HTTP_ERROR, "HTTP Error code " << http_code); EXCEPTION(gourou::CLIENT_HTTP_ERROR, "HTTP Error code " << http_code);