#include "util.h"
#include "exceptions.h"
#include "types.h"
-#include "argb_frame.h"
-#include "certificates.h"
-#include "gamma_lut.h"
-#include "xyz_frame.h"
+#include "certificate.h"
+#include "openjpeg_image.h"
+#include "dcp_assert.h"
+#include "compose.hpp"
#include "KM_util.h"
#include "KM_fileio.h"
#include "AS_DCP.h"
+#include <openjpeg.h>
#include <xmlsec/xmldsig.h>
#include <xmlsec/dl.h>
#include <xmlsec/app.h>
#include <libxml++/document.h>
#include <openssl/sha.h>
#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
+#include <boost/algorithm/string.hpp>
#include <stdexcept>
#include <sstream>
#include <iostream>
using std::list;
using std::setw;
using std::setfill;
+using std::ostream;
using boost::shared_ptr;
-using boost::lexical_cast;
+using boost::shared_array;
+using boost::optional;
+using boost::function;
+using boost::algorithm::trim;
using namespace dcp;
/** Create a UUID.
/** Create a digest for a file.
* @param filename File name.
- * @param progress Pointer to a progress reporting function, or 0. The function will be called
+ * @param progress Optional progress reporting function. The function will be called
* with a progress value between 0 and 1.
* @return Digest.
*/
string
-dcp::make_digest (boost::filesystem::path filename, boost::function<void (float)>* progress)
+dcp::make_digest (boost::filesystem::path filename, function<void (float)> progress)
{
Kumu::FileReader reader;
Kumu::Result_t r = reader.OpenRead (filename.string().c_str ());
if (ASDCP_FAILURE (r)) {
boost::throw_exception (FileError ("could not open file to compute digest", filename, r));
}
-
+
SHA_CTX sha;
SHA1_Init (&sha);
while (1) {
ui32_t read = 0;
Kumu::Result_t r = reader.Read (read_buffer.Data(), read_buffer.Capacity(), &read);
-
+
if (r == Kumu::RESULT_ENDOFFILE) {
break;
} else if (ASDCP_FAILURE (r)) {
boost::throw_exception (FileError ("could not read file to compute digest", filename, r));
}
-
+
SHA1_Update (&sha, read_buffer.Data(), read);
if (progress) {
- (*progress) (float (done) / size);
+ progress (float (done) / size);
done += read;
}
}
return "advertisement";
}
- assert (false);
+ DCP_ASSERT (false);
}
/** Convert a string from a <ContentKind> node to a libdcp ContentKind.
dcp::content_kind_from_string (string kind)
{
transform (kind.begin(), kind.end(), kind.begin(), ::tolower);
-
+
if (kind == "feature") {
return FEATURE;
} else if (kind == "short") {
return ADVERTISEMENT;
}
- assert (false);
-}
-
-/** Decompress a JPEG2000 image to a bitmap.
- * @param data JPEG2000 data.
- * @param size Size of data in bytes.
- * @param reduce A power of 2 by which to reduce the size of the decoded image;
- * e.g. 0 reduces by (2^0 == 1), ie keeping the same size.
- * 1 reduces by (2^1 == 2), ie halving the size of the image.
- * This is useful for scaling 4K DCP images down to 2K.
- * @return XYZ image.
- */
-shared_ptr<dcp::XYZFrame>
-dcp::decompress_j2k (uint8_t* data, int64_t size, int reduce)
-{
- opj_dinfo_t* decoder = opj_create_decompress (CODEC_J2K);
- opj_dparameters_t parameters;
- opj_set_default_decoder_parameters (¶meters);
- parameters.cp_reduce = reduce;
- opj_setup_decoder (decoder, ¶meters);
- opj_cio_t* cio = opj_cio_open ((opj_common_ptr) decoder, data, size);
- opj_image_t* image = opj_decode (decoder, cio);
- if (!image) {
- opj_destroy_decompress (decoder);
- opj_cio_close (cio);
- boost::throw_exception (DCPReadError ("could not decode JPEG2000 codestream of " + lexical_cast<string> (size) + " bytes."));
- }
-
- opj_destroy_decompress (decoder);
- opj_cio_close (cio);
-
- image->x1 = rint (float(image->x1) / pow (2, reduce));
- image->y1 = rint (float(image->y1) / pow (2, reduce));
- return shared_ptr<XYZFrame> (new XYZFrame (image));
+ DCP_ASSERT (false);
}
/** @param s A string.
if (xmlSecCryptoDLLoadLibrary(BAD_CAST XMLSEC_CRYPTO) < 0) {
throw MiscError ("unable to load default xmlsec-crypto library");
}
-#endif
+#endif
if (xmlSecCryptoAppInit(0) < 0) {
throw MiscError ("could not initialise crypto");
return !(a == b);
}
+ostream& dcp::operator<< (ostream& s, dcp::Size const & a)
+{
+ s << a.width << "x" << a.height;
+ return s;
+}
+
/** Decode a base64 string. The base64 decode routine in KM_util.cpp
* gives different values to both this and the command-line base64
* for some inputs. Not sure why.
*p++ = in[i];
}
}
-
+
BIO* bmem = BIO_new_mem_buf (in_buffer, p - in_buffer);
bmem = BIO_push (b64, bmem);
int const N = BIO_read (bmem, out, out_length);
return N;
}
-/** Convert a struct tm to a string of the form
- * 2014-01-26T21:39:00+01:00
- * @param tm struct tm.
- * @return Time as a string.
+/** @param p Path to open.
+ * @param t mode flags, as for fopen(3).
+ * @return FILE pointer or 0 on error.
+ *
+ * Apparently there is no way to create an ofstream using a UTF-8
+ * filename under Windows. We are hence reduced to using fopen
+ * with this wrapper.
*/
-string
-dcp::tm_to_string (struct tm* tm)
+FILE *
+dcp::fopen_boost (boost::filesystem::path p, string t)
{
- char buffer[64];
- strftime (buffer, 64, "%Y-%m-%dT%H:%M:%S", tm);
-
- int offset = 0;
-
-#ifdef LIBDCP_POSIX
- offset = tm->tm_gmtoff / 60;
+#ifdef LIBDCP_WINDOWS
+ wstring w (t.begin(), t.end());
+ /* c_str() here should give a UTF-16 string */
+ return _wfopen (p.c_str(), w.c_str ());
#else
- TIME_ZONE_INFORMATION tz;
- GetTimeZoneInformation (&tz);
- offset = tz.Bias;
+ return fopen (p.c_str(), t.c_str ());
#endif
-
- return string (buffer) + utc_offset_to_string (offset);
}
-/** @param b Offset from UTC to local time in minutes.
- * @return string of the form e.g. -01:00.
- */
-string
-dcp::utc_offset_to_string (int b)
+optional<boost::filesystem::path>
+dcp::relative_to_root (boost::filesystem::path root, boost::filesystem::path file)
+{
+ boost::filesystem::path::const_iterator i = root.begin ();
+ boost::filesystem::path::const_iterator j = file.begin ();
+
+ while (i != root.end() && j != file.end() && *i == *j) {
+ ++i;
+ ++j;
+ }
+
+ if (i != root.end ()) {
+ return optional<boost::filesystem::path> ();
+ }
+
+ boost::filesystem::path rel;
+ while (j != file.end ()) {
+ rel /= *j++;
+ }
+
+ return rel;
+}
+
+bool
+dcp::ids_equal (string a, string b)
{
- bool const negative = (b < 0);
- b = negative ? -b : b;
+ transform (a.begin(), a.end(), a.begin(), ::tolower);
+ transform (b.begin(), b.end(), b.begin(), ::tolower);
+ trim (a);
+ trim (b);
+ return a == b;
+}
- int const hours = b / 60;
- int const minutes = b % 60;
+string
+dcp::file_to_string (boost::filesystem::path p, uintmax_t max_length)
+{
+ uintmax_t len = boost::filesystem::file_size (p);
+ if (len > max_length) {
+ throw MiscError ("Unexpectedly long file");
+ }
- stringstream o;
- if (negative) {
- o << "-";
- } else {
- o << "+";
+ FILE* f = fopen_boost (p, "r");
+ if (!f) {
+ throw FileError ("could not open file", p, errno);
}
- o << setw(2) << setfill('0') << hours << ":" << setw(2) << setfill('0') << minutes;
- return o.str ();
+ char* c = new char[len];
+ /* This may read less than `len' if we are on Windows and we have CRLF in the file */
+ int const N = fread (c, 1, len, f);
+ fclose (f);
+
+ string s (c, N);
+ delete[] c;
+
+ return s;
}
-/** Convert a boost::posix_time::ptime to a string of the form
- * 2014-01-26T21:39:00+01:00.
- * @param t boost::posix_time::ptime.
- * @return Time as a string.
+/** @param key RSA private key in PEM format (optionally with -----BEGIN... / -----END...)
+ * @return SHA1 fingerprint of key
*/
string
-dcp::ptime_to_string (boost::posix_time::ptime t)
+dcp::private_key_fingerprint (string key)
{
- struct tm t_tm = boost::posix_time::to_tm (t);
- return tm_to_string (&t_tm);
-}
+ boost::replace_all (key, "-----BEGIN RSA PRIVATE KEY-----\n", "");
+ boost::replace_all (key, "\n-----END RSA PRIVATE KEY-----\n", "");
+ unsigned char buffer[4096];
+ int const N = base64_decode (key, buffer, sizeof (buffer));
-/** @param p Path to open.
- * @param t mode flags, as for fopen(3).
- * @return FILE pointer or 0 on error.
- *
- * Apparently there is no way to create an ofstream using a UTF-8
- * filename under Windows. We are hence reduced to using fopen
- * with this wrapper.
- */
-FILE *
-dcp::fopen_boost (boost::filesystem::path p, string t)
+ SHA_CTX sha;
+ SHA1_Init (&sha);
+ SHA1_Update (&sha, buffer, N);
+ uint8_t digest[20];
+ SHA1_Final (digest, &sha);
+
+ char digest_base64[64];
+ return Kumu::base64encode (digest, 20, digest_base64, 64);
+}
+
+xmlpp::Node *
+dcp::find_child (xmlpp::Node const * node, string name)
{
-#ifdef LIBDCP_WINDOWS
- wstring w (t.begin(), t.end());
- /* c_str() here should give a UTF-16 string */
- return _wfopen (p.c_str(), w.c_str ());
-#else
- return fopen (p.c_str(), t.c_str ());
-#endif
+ xmlpp::Node::NodeList c = node->get_children ();
+ xmlpp::Node::NodeList::iterator i = c.begin();
+ while (i != c.end() && (*i)->get_name() != name) {
+ ++i;
+ }
+
+ DCP_ASSERT (i != c.end ());
+ return *i;
}