X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=pdf2swf%2Fxpdf%2FPDFDoc.cc;h=92863e49e0e4b3edc36d55a0229592c6b82baa33;hb=2b39e1bd64223659303afb113da273eb8499db6e;hp=ae55d231d88ced8d54c37c154388671180a8173b;hpb=fc554a43712b76d16b41ec77dd311b4a78b1ef6b;p=swftools.git diff --git a/pdf2swf/xpdf/PDFDoc.cc b/pdf2swf/xpdf/PDFDoc.cc index ae55d23..92863e4 100644 --- a/pdf2swf/xpdf/PDFDoc.cc +++ b/pdf2swf/xpdf/PDFDoc.cc @@ -2,11 +2,13 @@ // // PDFDoc.cc // -// Copyright 1996 Derek B. Noonburg +// Copyright 1996-2003 Glyph & Cog, LLC // //======================================================================== -#ifdef __GNUC__ +#include + +#ifdef USE_GCC_PRAGMAS #pragma implementation #endif @@ -14,18 +16,26 @@ #include #include #include +#ifdef WIN32 +# include +#endif #include "GString.h" #include "config.h" +#include "GlobalParams.h" #include "Page.h" #include "Catalog.h" #include "Stream.h" #include "XRef.h" #include "Link.h" #include "OutputDev.h" -#include "Params.h" #include "Error.h" +#include "ErrorCodes.h" #include "Lexer.h" #include "Parser.h" +#include "SecurityHandler.h" +#ifndef DISABLE_OUTLINE +#include "Outline.h" +#endif #include "PDFDoc.h" //------------------------------------------------------------------------ @@ -37,28 +47,39 @@ // PDFDoc //------------------------------------------------------------------------ -PDFDoc::PDFDoc(GString *fileName1, GString *userPassword) { +PDFDoc::PDFDoc(GString *fileNameA, GString *ownerPassword, + GString *userPassword, void *guiDataA) { Object obj; - GString *fileName2; + GString *fileName1, *fileName2; ok = gFalse; + errCode = errNone; + + guiData = guiDataA; file = NULL; str = NULL; xref = NULL; catalog = NULL; links = NULL; +#ifndef DISABLE_OUTLINE + outline = NULL; +#endif + + fileName = fileNameA; + fileName1 = fileName; + // try to open file - fileName = fileName1; fileName2 = NULL; #ifdef VMS - if (!(file = fopen(fileName->getCString(), "rb", "ctx=stm"))) { - error(-1, "Couldn't open file '%s'", fileName->getCString()); + if (!(file = fopen(fileName1->getCString(), "rb", "ctx=stm"))) { + error(-1, "Couldn't open file '%s'", fileName1->getCString()); + errCode = errOpenFile; return; } #else - if (!(file = fopen(fileName->getCString(), "rb"))) { + if (!(file = fopen(fileName1->getCString(), "rb"))) { fileName2 = fileName->copy(); fileName2->lowerCase(); if (!(file = fopen(fileName2->getCString(), "rb"))) { @@ -66,6 +87,7 @@ PDFDoc::PDFDoc(GString *fileName1, GString *userPassword) { if (!(file = fopen(fileName2->getCString(), "rb"))) { error(-1, "Couldn't open file '%s'", fileName->getCString()); delete fileName2; + errCode = errOpenFile; return; } } @@ -75,48 +97,128 @@ PDFDoc::PDFDoc(GString *fileName1, GString *userPassword) { // create stream obj.initNull(); - str = new FileStream(file, 0, -1, &obj); + str = new FileStream(file, 0, gFalse, 0, &obj); + + ok = setup(ownerPassword, userPassword); +} + +#ifdef WIN32 +PDFDoc::PDFDoc(wchar_t *fileNameA, int fileNameLen, GString *ownerPassword, + GString *userPassword, void *guiDataA) { + OSVERSIONINFO version; + wchar_t fileName2[_MAX_PATH + 1]; + Object obj; + int i; + + ok = gFalse; + errCode = errNone; + + guiData = guiDataA; + + file = NULL; + str = NULL; + xref = NULL; + catalog = NULL; + links = NULL; +#ifndef DISABLE_OUTLINE + outline = NULL; +#endif + + //~ file name should be stored in Unicode (?) + fileName = new GString(); + for (i = 0; i < fileNameLen; ++i) { + fileName->append((char)fileNameA[i]); + } + + // zero-terminate the file name string + for (i = 0; i < fileNameLen && i < _MAX_PATH; ++i) { + fileName2[i] = fileNameA[i]; + } + fileName2[i] = 0; + + // try to open file + // NB: _wfopen is only available in NT + version.dwOSVersionInfoSize = sizeof(version); + GetVersionEx(&version); + if (version.dwPlatformId == VER_PLATFORM_WIN32_NT) { + file = _wfopen(fileName2, L"rb"); + } else { + file = fopen(fileName->getCString(), "rb"); + } + if (!file) { + error(-1, "Couldn't open file '%s'", fileName->getCString()); + errCode = errOpenFile; + return; + } + + // create stream + obj.initNull(); + str = new FileStream(file, 0, gFalse, 0, &obj); - ok = setup(userPassword); + ok = setup(ownerPassword, userPassword); } +#endif -PDFDoc::PDFDoc(BaseStream *str, GString *userPassword) { +PDFDoc::PDFDoc(BaseStream *strA, GString *ownerPassword, + GString *userPassword, void *guiDataA) { ok = gFalse; + errCode = errNone; + guiData = guiDataA; fileName = NULL; file = NULL; - this->str = str; + str = strA; xref = NULL; catalog = NULL; links = NULL; - ok = setup(userPassword); +#ifndef DISABLE_OUTLINE + outline = NULL; +#endif + ok = setup(ownerPassword, userPassword); } -GBool PDFDoc::setup(GString *userPassword) { - Object catObj; +GBool PDFDoc::setup(GString *ownerPassword, GString *userPassword) { + str->reset(); // check header checkHeader(); // read xref table - xref = new XRef(str, userPassword); + xref = new XRef(str); if (!xref->isOk()) { error(-1, "Couldn't read xref table"); + errCode = xref->getErrorCode(); + return gFalse; + } + + // check for encryption + if (!checkEncryption(ownerPassword, userPassword)) { + errCode = errEncrypted; return gFalse; } // read catalog - catalog = new Catalog(xref->getCatalog(&catObj)); - catObj.free(); + catalog = new Catalog(xref); if (!catalog->isOk()) { error(-1, "Couldn't read page catalog"); + errCode = errBadCatalog; return gFalse; } +#ifndef DISABLE_OUTLINE + // read outline + outline = new Outline(catalog->getOutline(), xref); +#endif + // done return gTrue; } PDFDoc::~PDFDoc() { +#ifndef DISABLE_OUTLINE + if (outline) { + delete outline; + } +#endif if (catalog) { delete catalog; } @@ -159,7 +261,10 @@ void PDFDoc::checkHeader() { return; } str->moveStart(i); - p = strtok(&hdrBuf[i+5], " \t\n\r"); + if (!(p = strtok(&hdrBuf[i+5], " \t\n\r"))) { + error(-1, "May not be a PDF file (continuing anyway)"); + return; + } pdfVersion = atof(p); if (!(hdrBuf[i+5] >= '0' && hdrBuf[i+5] <= '9') || pdfVersion > supportedPDFVersionNum + 0.0001) { @@ -168,11 +273,48 @@ void PDFDoc::checkHeader() { } } -void PDFDoc::displayPage(OutputDev *out, int page, double zoom, - int rotate, GBool doLinks) { +GBool PDFDoc::checkEncryption(GString *ownerPassword, GString *userPassword) { + Object encrypt; + GBool encrypted; + SecurityHandler *secHdlr; + GBool ret; + + xref->getTrailerDict()->dictLookup("Encrypt", &encrypt); + if ((encrypted = encrypt.isDict())) { + if ((secHdlr = SecurityHandler::make(this, &encrypt))) { + if (secHdlr->checkEncryption(ownerPassword, userPassword)) { + // authorization succeeded + xref->setEncryption(secHdlr->getPermissionFlags(), + secHdlr->getOwnerPasswordOk(), + secHdlr->getFileKey(), + secHdlr->getFileKeyLength(), + secHdlr->getEncVersion()); + ret = gTrue; + } else { + // authorization failed + ret = gFalse; + } + delete secHdlr; + } else { + // couldn't find the matching security handler + ret = gFalse; + } + } else { + // document is not encrypted + ret = gTrue; + } + encrypt.free(); + return ret; +} + +void PDFDoc::displayPage(OutputDev *out, int page, double hDPI, double vDPI, + int rotate, GBool useMediaBox, GBool crop, + GBool doLinks, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData) { Page *p; - if (printCommands) { + if (globalParams->getPrintCommands()) { printf("***** page %d *****\n", page); } p = catalog->getPage(page); @@ -181,21 +323,59 @@ void PDFDoc::displayPage(OutputDev *out, int page, double zoom, delete links; } getLinks(p); - p->display(out, zoom, rotate, links, catalog); + p->display(out, hDPI, vDPI, rotate, useMediaBox, crop, links, catalog, + abortCheckCbk, abortCheckCbkData); } else { - p->display(out, zoom, rotate, NULL, catalog); + p->display(out, hDPI, vDPI, rotate, useMediaBox, crop, NULL, catalog, + abortCheckCbk, abortCheckCbkData); } } void PDFDoc::displayPages(OutputDev *out, int firstPage, int lastPage, - int zoom, int rotate, GBool doLinks) { + double hDPI, double vDPI, int rotate, + GBool useMediaBox, GBool crop, GBool doLinks, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData) { int page; for (page = firstPage; page <= lastPage; ++page) { - displayPage(out, page, zoom, rotate, doLinks); + displayPage(out, page, hDPI, vDPI, rotate, useMediaBox, crop, doLinks, + abortCheckCbk, abortCheckCbkData); + } +} + +void PDFDoc::displayPageSlice(OutputDev *out, int page, + double hDPI, double vDPI, int rotate, + GBool useMediaBox, GBool crop, GBool doLinks, + int sliceX, int sliceY, int sliceW, int sliceH, + GBool (*abortCheckCbk)(void *data), + void *abortCheckCbkData) { + Page *p; + + p = catalog->getPage(page); + if (doLinks) { + if (links) { + delete links; + } + getLinks(p); + p->displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop, + sliceX, sliceY, sliceW, sliceH, + links, catalog, abortCheckCbk, abortCheckCbkData); + } else { + p->displaySlice(out, hDPI, vDPI, rotate, useMediaBox, crop, + sliceX, sliceY, sliceW, sliceH, + NULL, catalog, abortCheckCbk, abortCheckCbkData); } } +Links *PDFDoc::takeLinks() { + Links *ret; + + ret = links; + links = NULL; + return ret; +} + GBool PDFDoc::isLinearized() { Parser *parser; Object obj1, obj2, obj3, obj4, obj5; @@ -203,8 +383,9 @@ GBool PDFDoc::isLinearized() { lin = gFalse; obj1.initNull(); - parser = new Parser(new Lexer(str->makeSubStream(str->getStart(), - -1, &obj1))); + parser = new Parser(xref, + new Lexer(xref, + str->makeSubStream(str->getStart(), gFalse, 0, &obj1))); parser->getObj(&obj1); parser->getObj(&obj2); parser->getObj(&obj3); @@ -248,4 +429,3 @@ void PDFDoc::getLinks(Page *page) { links = new Links(page->getAnnots(&obj), catalog->getBaseURI()); obj.free(); } -