| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/common/safe_browsing/download_protection_util.h" |
| |
| #include <algorithm> |
| |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/strings/string_util.h" |
| |
| namespace safe_browsing { |
| namespace download_protection_util { |
| |
| namespace { |
| |
| // This enum matches the SBClientDownloadExtensions enum in histograms.xml. If |
| // you are adding a value here, you should also add to the enum definition in |
| // histograms.xml. Additions only at the end just in front of EXTENSION_MAX, |
| // natch. |
| enum SBClientDownloadExtensions { |
| EXTENSION_EXE, |
| EXTENSION_MSI, |
| EXTENSION_CAB, |
| EXTENSION_SYS, |
| EXTENSION_SCR, |
| EXTENSION_DRV, |
| EXTENSION_BAT, |
| EXTENSION_ZIP, |
| EXTENSION_RAR, |
| EXTENSION_DLL, |
| EXTENSION_PIF, |
| EXTENSION_COM, |
| EXTENSION_JAR, |
| EXTENSION_CLASS, |
| EXTENSION_PDF, |
| EXTENSION_VB, |
| EXTENSION_REG, |
| EXTENSION_GRP, |
| EXTENSION_OTHER, // The "other" bucket. This is in the middle of the enum |
| // due to historical reasons. |
| EXTENSION_CRX, |
| EXTENSION_APK, |
| EXTENSION_DMG, |
| EXTENSION_PKG, |
| EXTENSION_TORRENT, |
| EXTENSION_WEBSITE, |
| EXTENSION_URL, |
| EXTENSION_VBE, |
| EXTENSION_VBS, |
| EXTENSION_JS, |
| EXTENSION_JSE, |
| EXTENSION_MHT, |
| EXTENSION_MHTML, |
| EXTENSION_MSC, |
| EXTENSION_MSP, |
| EXTENSION_MST, |
| EXTENSION_BAS, |
| EXTENSION_HTA, |
| EXTENSION_MSH, |
| EXTENSION_MSH1, |
| EXTENSION_MSH1XML, |
| EXTENSION_MSH2, |
| EXTENSION_MSH2XML, |
| EXTENSION_MSHXML, |
| EXTENSION_PS1, |
| EXTENSION_PS1XML, |
| EXTENSION_PS2, |
| EXTENSION_PS2XML, |
| EXTENSION_PSC1, |
| EXTENSION_PSC2, |
| EXTENSION_SCF, |
| EXTENSION_SCT, |
| EXTENSION_WSF, |
| EXTENSION_7Z, |
| EXTENSION_XZ, |
| EXTENSION_GZ, |
| EXTENSION_TGZ, |
| EXTENSION_BZ2, |
| EXTENSION_TAR, |
| EXTENSION_ARJ, |
| EXTENSION_LZH, |
| EXTENSION_LHA, |
| EXTENSION_WIM, |
| EXTENSION_Z, |
| EXTENSION_LZMA, |
| EXTENSION_CPIO, |
| EXTENSION_CMD, |
| EXTENSION_APP, |
| EXTENSION_OSX, |
| EXTENSION_SWF, |
| EXTENSION_SPL, |
| EXTENSION_APPLICATION, |
| EXTENSION_ASP, |
| EXTENSION_ASX, |
| EXTENSION_CFG, |
| EXTENSION_CHI, |
| EXTENSION_CHM, |
| EXTENSION_CPL, |
| EXTENSION_FXP, |
| EXTENSION_HLP, |
| EXTENSION_HTT, |
| EXTENSION_INF, |
| EXTENSION_INI, |
| EXTENSION_INS, |
| EXTENSION_ISP, |
| EXTENSION_LNK, |
| EXTENSION_LOCAL, |
| EXTENSION_MANIFEST, |
| EXTENSION_MAU, |
| EXTENSION_MMC, |
| EXTENSION_MOF, |
| EXTENSION_OCX, |
| EXTENSION_OPS, |
| EXTENSION_PCD, |
| EXTENSION_PLG, |
| EXTENSION_PRF, |
| EXTENSION_PRG, |
| EXTENSION_PST, |
| EXTENSION_CRT, |
| EXTENSION_ADE, |
| EXTENSION_ADP, |
| EXTENSION_MAD, |
| EXTENSION_MAF, |
| EXTENSION_MAG, |
| EXTENSION_MAM, |
| EXTENSION_MAQ, |
| EXTENSION_MAR, |
| EXTENSION_MAS, |
| EXTENSION_MAT, |
| EXTENSION_MAV, |
| EXTENSION_MAW, |
| EXTENSION_MDA, |
| EXTENSION_MDB, |
| EXTENSION_MDE, |
| EXTENSION_MDT, |
| EXTENSION_MDW, |
| EXTENSION_MDZ, |
| EXTENSION_SHB, |
| EXTENSION_SHS, |
| EXTENSION_VSD, |
| EXTENSION_VSMACROS, |
| EXTENSION_VSS, |
| EXTENSION_VST, |
| EXTENSION_VSW, |
| EXTENSION_WS, |
| EXTENSION_WSC, |
| EXTENSION_WSH, |
| EXTENSION_XBAP, |
| EXTENSION_XNK, |
| EXTENSION_JNLP, |
| EXTENSION_PL, |
| EXTENSION_PY, |
| EXTENSION_PYC, |
| EXTENSION_PYW, |
| EXTENSION_RB, |
| EXTENSION_BASH, |
| EXTENSION_CSH, |
| EXTENSION_KSH, |
| EXTENSION_SH, |
| EXTENSION_SHAR, |
| EXTENSION_TCSH, |
| EXTENSION_COMMAND, |
| EXTENSION_DEB, |
| EXTENSION_RPM, |
| EXTENSION_DEX, |
| EXTENSION_APPREF_MS, |
| EXTENSION_GADGET, |
| EXTENSION_EFI, |
| EXTENSION_FON, |
| EXTENSION_BZIP2, |
| EXTENSION_GZIP, |
| EXTENSION_TAZ, |
| EXTENSION_TBZ, |
| EXTENSION_TBZ2, |
| EXTENSION_PARTIAL, |
| EXTENSION_SVG, |
| EXTENSION_XML, |
| EXTENSION_XRM_MS, |
| EXTENSION_XSL, |
| EXTENSION_ACTION, |
| EXTENSION_BIN, |
| EXTENSION_INX, |
| EXTENSION_IPA, |
| EXTENSION_ISU, |
| EXTENSION_JOB, |
| EXTENSION_OUT, |
| EXTENSION_PAD, |
| EXTENSION_PAF, |
| EXTENSION_RGS, |
| EXTENSION_U3P, |
| EXTENSION_VBSCRIPT, |
| EXTENSION_WORKFLOW, |
| EXTENSION_001, |
| EXTENSION_ACE, |
| EXTENSION_ARC, |
| EXTENSION_B64, |
| EXTENSION_BALZ, |
| EXTENSION_BHX, |
| EXTENSION_BZ, |
| EXTENSION_FAT, |
| EXTENSION_HFS, |
| EXTENSION_HQX, |
| EXTENSION_ISO, |
| EXTENSION_LPAQ1, |
| EXTENSION_LPAQ5, |
| EXTENSION_LPAQ8, |
| EXTENSION_MIM, |
| EXTENSION_NTFS, |
| EXTENSION_PAQ8F, |
| EXTENSION_PAQ8JD, |
| EXTENSION_PAQ8L, |
| EXTENSION_PAQ8O, |
| EXTENSION_PEA, |
| EXTENSION_PET, |
| EXTENSION_PUP, |
| EXTENSION_QUAD, |
| EXTENSION_R00, |
| EXTENSION_R01, |
| EXTENSION_R02, |
| EXTENSION_R03, |
| EXTENSION_R04, |
| EXTENSION_R05, |
| EXTENSION_R06, |
| EXTENSION_R07, |
| EXTENSION_R08, |
| EXTENSION_R09, |
| EXTENSION_R10, |
| EXTENSION_R11, |
| EXTENSION_R12, |
| EXTENSION_R13, |
| EXTENSION_R14, |
| EXTENSION_R15, |
| EXTENSION_R16, |
| EXTENSION_R17, |
| EXTENSION_R18, |
| EXTENSION_R19, |
| EXTENSION_R20, |
| EXTENSION_R21, |
| EXTENSION_R22, |
| EXTENSION_R23, |
| EXTENSION_R24, |
| EXTENSION_R25, |
| EXTENSION_R26, |
| EXTENSION_R27, |
| EXTENSION_R28, |
| EXTENSION_R29, |
| EXTENSION_SLP, |
| EXTENSION_SQUASHFS, |
| EXTENSION_SWM, |
| EXTENSION_TPZ, |
| EXTENSION_TXZ, |
| EXTENSION_TZ, |
| EXTENSION_UDF, |
| EXTENSION_UU, |
| EXTENSION_UUE, |
| EXTENSION_VHD, |
| EXTENSION_VMDK, |
| EXTENSION_WRC, |
| EXTENSION_XAR, |
| EXTENSION_XXE, |
| EXTENSION_ZIPX, |
| EXTENSION_ZPAQ, |
| EXTENSION_RELS, |
| EXTENSION_MSG, |
| EXTENSION_EML, |
| EXTENSION_RTF, |
| EXTENSION_VHDX, |
| EXTENSION_SEARCH_MS, |
| |
| // New values go above this one. |
| EXTENSION_MAX |
| }; |
| |
| struct SafeBrowsingFiletype { |
| const base::FilePath::CharType* const extension; |
| int uma_value; |
| bool is_supported_binary; |
| bool is_archive; |
| }; |
| |
| const SafeBrowsingFiletype kSafeBrowsingFileTypes[] = { |
| // KEEP THIS LIST SORTED! |
| {FILE_PATH_LITERAL(".001"), EXTENSION_001, true, true}, |
| {FILE_PATH_LITERAL(".7z"), EXTENSION_7Z, true, true}, |
| {FILE_PATH_LITERAL(".ace"), EXTENSION_ACE, true, true}, |
| {FILE_PATH_LITERAL(".action"), EXTENSION_ACTION, false, false}, // UMA. |
| {FILE_PATH_LITERAL(".ade"), EXTENSION_ADE, true, false}, |
| {FILE_PATH_LITERAL(".adp"), EXTENSION_ADP, true, false}, |
| {FILE_PATH_LITERAL(".apk"), EXTENSION_APK, true, false}, |
| {FILE_PATH_LITERAL(".app"), EXTENSION_APP, true, false}, |
| {FILE_PATH_LITERAL(".application"), EXTENSION_APPLICATION, true, false}, |
| {FILE_PATH_LITERAL(".appref-ms"), EXTENSION_APPREF_MS, true, false}, |
| {FILE_PATH_LITERAL(".arc"), EXTENSION_ARC, true, true}, |
| {FILE_PATH_LITERAL(".arj"), EXTENSION_ARJ, true, true}, |
| {FILE_PATH_LITERAL(".asp"), EXTENSION_ASP, true, false}, |
| {FILE_PATH_LITERAL(".asx"), EXTENSION_ASX, true, false}, |
| {FILE_PATH_LITERAL(".b64"), EXTENSION_B64, true, true}, |
| {FILE_PATH_LITERAL(".balz"), EXTENSION_BALZ, true, true}, |
| {FILE_PATH_LITERAL(".bas"), EXTENSION_BAS, true, false}, |
| {FILE_PATH_LITERAL(".bash"), EXTENSION_BASH, true, false}, |
| {FILE_PATH_LITERAL(".bat"), EXTENSION_BAT, true, false}, |
| {FILE_PATH_LITERAL(".bhx"), EXTENSION_BHX, true, true}, |
| {FILE_PATH_LITERAL(".bin"), EXTENSION_BIN, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".bz"), EXTENSION_BZ, true, true}, |
| {FILE_PATH_LITERAL(".bz2"), EXTENSION_BZ2, true, true}, |
| {FILE_PATH_LITERAL(".bzip2"), EXTENSION_BZIP2, true, true}, |
| {FILE_PATH_LITERAL(".cab"), EXTENSION_CAB, true, true}, |
| {FILE_PATH_LITERAL(".cfg"), EXTENSION_CFG, true, false}, |
| {FILE_PATH_LITERAL(".chi"), EXTENSION_CHI, true, false}, |
| {FILE_PATH_LITERAL(".chm"), EXTENSION_CHM, true, false}, |
| {FILE_PATH_LITERAL(".class"), EXTENSION_CLASS, true, false}, |
| {FILE_PATH_LITERAL(".cmd"), EXTENSION_CMD, true, false}, |
| {FILE_PATH_LITERAL(".com"), EXTENSION_COM, true, false}, |
| {FILE_PATH_LITERAL(".command"), EXTENSION_COMMAND, true, false}, |
| {FILE_PATH_LITERAL(".cpio"), EXTENSION_CPIO, true, true}, |
| {FILE_PATH_LITERAL(".cpl"), EXTENSION_CPL, true, false}, |
| {FILE_PATH_LITERAL(".crt"), EXTENSION_CRT, true, false}, |
| {FILE_PATH_LITERAL(".crx"), EXTENSION_CRX, true, false}, |
| {FILE_PATH_LITERAL(".csh"), EXTENSION_CSH, true, false}, |
| {FILE_PATH_LITERAL(".deb"), EXTENSION_DEB, true, false}, |
| {FILE_PATH_LITERAL(".dex"), EXTENSION_DEX, true, false}, |
| {FILE_PATH_LITERAL(".dll"), EXTENSION_DLL, true, false}, |
| {FILE_PATH_LITERAL(".dmg"), EXTENSION_DMG, true, false}, |
| {FILE_PATH_LITERAL(".drv"), EXTENSION_DRV, true, false}, |
| {FILE_PATH_LITERAL(".efi"), EXTENSION_EFI, true, false}, |
| {FILE_PATH_LITERAL(".eml"), EXTENSION_EML, true, false}, |
| {FILE_PATH_LITERAL(".exe"), EXTENSION_EXE, true, false}, |
| {FILE_PATH_LITERAL(".fat"), EXTENSION_FAT, true, true}, |
| {FILE_PATH_LITERAL(".fon"), EXTENSION_FON, true, false}, |
| {FILE_PATH_LITERAL(".fxp"), EXTENSION_FXP, true, false}, |
| {FILE_PATH_LITERAL(".gadget"), EXTENSION_GADGET, true, false}, |
| {FILE_PATH_LITERAL(".grp"), EXTENSION_GRP, true, false}, |
| {FILE_PATH_LITERAL(".gz"), EXTENSION_GZ, true, true}, |
| {FILE_PATH_LITERAL(".gzip"), EXTENSION_GZIP, true, true}, |
| {FILE_PATH_LITERAL(".hfs"), EXTENSION_HFS, true, true}, |
| {FILE_PATH_LITERAL(".hlp"), EXTENSION_HLP, true, false}, |
| {FILE_PATH_LITERAL(".hqx"), EXTENSION_HQX, true, true}, |
| {FILE_PATH_LITERAL(".hta"), EXTENSION_HTA, true, false}, |
| {FILE_PATH_LITERAL(".htt"), EXTENSION_HTT, true, false}, |
| {FILE_PATH_LITERAL(".inf"), EXTENSION_INF, true, false}, |
| {FILE_PATH_LITERAL(".ini"), EXTENSION_INI, true, false}, |
| {FILE_PATH_LITERAL(".ins"), EXTENSION_INS, true, false}, |
| {FILE_PATH_LITERAL(".inx"), EXTENSION_INX, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".ipa"), EXTENSION_IPA, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".iso"), EXTENSION_ISO, true, true}, |
| {FILE_PATH_LITERAL(".isp"), EXTENSION_ISP, true, false}, |
| {FILE_PATH_LITERAL(".isu"), EXTENSION_ISU, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".jar"), EXTENSION_JAR, true, false}, |
| {FILE_PATH_LITERAL(".jnlp"), EXTENSION_JNLP, true, false}, |
| {FILE_PATH_LITERAL(".job"), EXTENSION_JOB, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".js"), EXTENSION_JS, true, false}, |
| {FILE_PATH_LITERAL(".jse"), EXTENSION_JSE, true, false}, |
| {FILE_PATH_LITERAL(".ksh"), EXTENSION_KSH, true, false}, |
| {FILE_PATH_LITERAL(".lha"), EXTENSION_LHA, true, true}, |
| {FILE_PATH_LITERAL(".lnk"), EXTENSION_LNK, true, false}, |
| {FILE_PATH_LITERAL(".local"), EXTENSION_LOCAL, true, false}, |
| {FILE_PATH_LITERAL(".lpaq1"), EXTENSION_LPAQ1, true, true}, |
| {FILE_PATH_LITERAL(".lpaq5"), EXTENSION_LPAQ5, true, true}, |
| {FILE_PATH_LITERAL(".lpaq8"), EXTENSION_LPAQ8, true, true}, |
| {FILE_PATH_LITERAL(".lzh"), EXTENSION_LZH, true, true}, |
| {FILE_PATH_LITERAL(".lzma"), EXTENSION_LZMA, true, true}, |
| {FILE_PATH_LITERAL(".mad"), EXTENSION_MAD, true, false}, |
| {FILE_PATH_LITERAL(".maf"), EXTENSION_MAF, true, false}, |
| {FILE_PATH_LITERAL(".mag"), EXTENSION_MAG, true, false}, |
| {FILE_PATH_LITERAL(".mam"), EXTENSION_MAM, true, false}, |
| {FILE_PATH_LITERAL(".manifest"), EXTENSION_MANIFEST, true, false}, |
| {FILE_PATH_LITERAL(".maq"), EXTENSION_MAQ, true, false}, |
| {FILE_PATH_LITERAL(".mar"), EXTENSION_MAR, true, false}, |
| {FILE_PATH_LITERAL(".mas"), EXTENSION_MAS, true, false}, |
| {FILE_PATH_LITERAL(".mat"), EXTENSION_MAT, true, false}, |
| {FILE_PATH_LITERAL(".mau"), EXTENSION_MAU, true, false}, |
| {FILE_PATH_LITERAL(".mav"), EXTENSION_MAV, true, false}, |
| {FILE_PATH_LITERAL(".maw"), EXTENSION_MAW, true, false}, |
| {FILE_PATH_LITERAL(".mda"), EXTENSION_MDA, true, false}, |
| {FILE_PATH_LITERAL(".mdb"), EXTENSION_MDB, true, false}, |
| {FILE_PATH_LITERAL(".mde"), EXTENSION_MDE, true, false}, |
| {FILE_PATH_LITERAL(".mdt"), EXTENSION_MDT, true, false}, |
| {FILE_PATH_LITERAL(".mdw"), EXTENSION_MDW, true, false}, |
| {FILE_PATH_LITERAL(".mdz"), EXTENSION_MDZ, true, false}, |
| {FILE_PATH_LITERAL(".mht"), EXTENSION_MHT, true, false}, |
| {FILE_PATH_LITERAL(".mhtml"), EXTENSION_MHTML, true, false}, |
| {FILE_PATH_LITERAL(".mim"), EXTENSION_MIM, true, true}, |
| {FILE_PATH_LITERAL(".mmc"), EXTENSION_MMC, true, false}, |
| {FILE_PATH_LITERAL(".mof"), EXTENSION_MOF, true, false}, |
| {FILE_PATH_LITERAL(".msc"), EXTENSION_MSC, true, false}, |
| {FILE_PATH_LITERAL(".msg"), EXTENSION_MSG, true, false}, |
| {FILE_PATH_LITERAL(".msh"), EXTENSION_MSH, true, false}, |
| {FILE_PATH_LITERAL(".msh1"), EXTENSION_MSH1, true, false}, |
| {FILE_PATH_LITERAL(".msh1xml"), EXTENSION_MSH1XML, true, false}, |
| {FILE_PATH_LITERAL(".msh2"), EXTENSION_MSH2, true, false}, |
| {FILE_PATH_LITERAL(".msh2xml"), EXTENSION_MSH2XML, true, false}, |
| {FILE_PATH_LITERAL(".mshxml"), EXTENSION_MSHXML, true, false}, |
| {FILE_PATH_LITERAL(".msi"), EXTENSION_MSI, true, false}, |
| {FILE_PATH_LITERAL(".msp"), EXTENSION_MSP, true, false}, |
| {FILE_PATH_LITERAL(".mst"), EXTENSION_MST, true, false}, |
| {FILE_PATH_LITERAL(".ntfs"), EXTENSION_NTFS, true, true}, |
| {FILE_PATH_LITERAL(".ocx"), EXTENSION_OCX, true, false}, |
| {FILE_PATH_LITERAL(".ops"), EXTENSION_OPS, true, false}, |
| {FILE_PATH_LITERAL(".osx"), EXTENSION_OSX, true, false}, |
| {FILE_PATH_LITERAL(".out"), EXTENSION_OUT, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".pad"), EXTENSION_PAD, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".paf"), EXTENSION_PAF, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".paq8f"), EXTENSION_PAQ8F, true, true}, |
| {FILE_PATH_LITERAL(".paq8jd"), EXTENSION_PAQ8JD, true, true}, |
| {FILE_PATH_LITERAL(".paq8l"), EXTENSION_PAQ8L, true, true}, |
| {FILE_PATH_LITERAL(".paq8o"), EXTENSION_PAQ8O, true, true}, |
| {FILE_PATH_LITERAL(".partial"), EXTENSION_PARTIAL, true, false}, |
| {FILE_PATH_LITERAL(".pcd"), EXTENSION_PCD, true, false}, |
| {FILE_PATH_LITERAL(".pea"), EXTENSION_PEA, true, true}, |
| {FILE_PATH_LITERAL(".pet"), EXTENSION_PET, true, true}, |
| {FILE_PATH_LITERAL(".pif"), EXTENSION_PIF, true, false}, |
| {FILE_PATH_LITERAL(".pkg"), EXTENSION_PKG, true, false}, |
| {FILE_PATH_LITERAL(".pl"), EXTENSION_PL, true, false}, |
| {FILE_PATH_LITERAL(".plg"), EXTENSION_PLG, true, false}, |
| {FILE_PATH_LITERAL(".prf"), EXTENSION_PRF, true, false}, |
| {FILE_PATH_LITERAL(".prg"), EXTENSION_PRG, true, false}, |
| {FILE_PATH_LITERAL(".ps1"), EXTENSION_PS1, true, false}, |
| {FILE_PATH_LITERAL(".ps1xml"), EXTENSION_PS1XML, true, false}, |
| {FILE_PATH_LITERAL(".ps2"), EXTENSION_PS2, true, false}, |
| {FILE_PATH_LITERAL(".ps2xml"), EXTENSION_PS2XML, true, false}, |
| {FILE_PATH_LITERAL(".psc1"), EXTENSION_PSC1, true, false}, |
| {FILE_PATH_LITERAL(".psc2"), EXTENSION_PSC2, true, false}, |
| {FILE_PATH_LITERAL(".pst"), EXTENSION_PST, true, false}, |
| {FILE_PATH_LITERAL(".pup"), EXTENSION_PUP, true, true}, |
| {FILE_PATH_LITERAL(".py"), EXTENSION_PY, true, false}, |
| {FILE_PATH_LITERAL(".pyc"), EXTENSION_PYC, true, false}, |
| {FILE_PATH_LITERAL(".pyw"), EXTENSION_PYW, true, false}, |
| {FILE_PATH_LITERAL(".quad"), EXTENSION_QUAD, true, true}, |
| {FILE_PATH_LITERAL(".r00"), EXTENSION_R00, true, true}, |
| {FILE_PATH_LITERAL(".r01"), EXTENSION_R01, true, true}, |
| {FILE_PATH_LITERAL(".r02"), EXTENSION_R02, true, true}, |
| {FILE_PATH_LITERAL(".r03"), EXTENSION_R03, true, true}, |
| {FILE_PATH_LITERAL(".r04"), EXTENSION_R04, true, true}, |
| {FILE_PATH_LITERAL(".r05"), EXTENSION_R05, true, true}, |
| {FILE_PATH_LITERAL(".r06"), EXTENSION_R06, true, true}, |
| {FILE_PATH_LITERAL(".r07"), EXTENSION_R07, true, true}, |
| {FILE_PATH_LITERAL(".r08"), EXTENSION_R08, true, true}, |
| {FILE_PATH_LITERAL(".r09"), EXTENSION_R09, true, true}, |
| {FILE_PATH_LITERAL(".r10"), EXTENSION_R10, true, true}, |
| {FILE_PATH_LITERAL(".r11"), EXTENSION_R11, true, true}, |
| {FILE_PATH_LITERAL(".r12"), EXTENSION_R12, true, true}, |
| {FILE_PATH_LITERAL(".r13"), EXTENSION_R13, true, true}, |
| {FILE_PATH_LITERAL(".r14"), EXTENSION_R14, true, true}, |
| {FILE_PATH_LITERAL(".r15"), EXTENSION_R15, true, true}, |
| {FILE_PATH_LITERAL(".r16"), EXTENSION_R16, true, true}, |
| {FILE_PATH_LITERAL(".r17"), EXTENSION_R17, true, true}, |
| {FILE_PATH_LITERAL(".r18"), EXTENSION_R18, true, true}, |
| {FILE_PATH_LITERAL(".r19"), EXTENSION_R19, true, true}, |
| {FILE_PATH_LITERAL(".r20"), EXTENSION_R20, true, true}, |
| {FILE_PATH_LITERAL(".r21"), EXTENSION_R21, true, true}, |
| {FILE_PATH_LITERAL(".r22"), EXTENSION_R22, true, true}, |
| {FILE_PATH_LITERAL(".r23"), EXTENSION_R23, true, true}, |
| {FILE_PATH_LITERAL(".r24"), EXTENSION_R24, true, true}, |
| {FILE_PATH_LITERAL(".r25"), EXTENSION_R25, true, true}, |
| {FILE_PATH_LITERAL(".r26"), EXTENSION_R26, true, true}, |
| {FILE_PATH_LITERAL(".r27"), EXTENSION_R27, true, true}, |
| {FILE_PATH_LITERAL(".r28"), EXTENSION_R28, true, true}, |
| {FILE_PATH_LITERAL(".r29"), EXTENSION_R29, true, true}, |
| {FILE_PATH_LITERAL(".rar"), EXTENSION_RAR, true, true}, |
| {FILE_PATH_LITERAL(".rb"), EXTENSION_RB, true, false}, |
| {FILE_PATH_LITERAL(".rels"), EXTENSION_RELS, true, false}, |
| {FILE_PATH_LITERAL(".reg"), EXTENSION_REG, true, false}, |
| {FILE_PATH_LITERAL(".rgs"), EXTENSION_RGS, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".rpm"), EXTENSION_RPM, true, false}, |
| {FILE_PATH_LITERAL(".rtf"), EXTENSION_RTF, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".scf"), EXTENSION_SCF, true, false}, |
| {FILE_PATH_LITERAL(".scr"), EXTENSION_SCR, true, false}, |
| {FILE_PATH_LITERAL(".sct"), EXTENSION_SCT, true, false}, |
| {FILE_PATH_LITERAL(".search-ms"), EXTENSION_SEARCH_MS, true, false}, |
| {FILE_PATH_LITERAL(".sh"), EXTENSION_SH, true, false}, |
| {FILE_PATH_LITERAL(".shar"), EXTENSION_SHAR, true, false}, |
| {FILE_PATH_LITERAL(".shb"), EXTENSION_SHB, true, false}, |
| {FILE_PATH_LITERAL(".shs"), EXTENSION_SHS, true, false}, |
| {FILE_PATH_LITERAL(".slp"), EXTENSION_SLP, true, true}, |
| {FILE_PATH_LITERAL(".spl"), EXTENSION_SPL, true, false}, |
| {FILE_PATH_LITERAL(".squashfs"), EXTENSION_SQUASHFS, true, true}, |
| {FILE_PATH_LITERAL(".svg"), EXTENSION_SVG, true, false}, |
| {FILE_PATH_LITERAL(".swf"), EXTENSION_SWF, true, false}, |
| {FILE_PATH_LITERAL(".swm"), EXTENSION_SWM, true, true}, |
| {FILE_PATH_LITERAL(".sys"), EXTENSION_SYS, true, false}, |
| {FILE_PATH_LITERAL(".tar"), EXTENSION_TAR, true, true}, |
| {FILE_PATH_LITERAL(".taz"), EXTENSION_TAZ, true, true}, |
| {FILE_PATH_LITERAL(".tbz"), EXTENSION_TBZ, true, true}, |
| {FILE_PATH_LITERAL(".tbz2"), EXTENSION_TBZ2, true, true}, |
| {FILE_PATH_LITERAL(".tcsh"), EXTENSION_TCSH, true, false}, |
| {FILE_PATH_LITERAL(".tgz"), EXTENSION_TGZ, true, true}, |
| {FILE_PATH_LITERAL(".torrent"), EXTENSION_TORRENT, true, false}, |
| {FILE_PATH_LITERAL(".tpz"), EXTENSION_TPZ, true, true}, |
| {FILE_PATH_LITERAL(".txz"), EXTENSION_TXZ, true, true}, |
| {FILE_PATH_LITERAL(".tz"), EXTENSION_TZ, true, true}, |
| {FILE_PATH_LITERAL(".u3p"), EXTENSION_U3P, false, false}, // UMA only. |
| {FILE_PATH_LITERAL(".udf"), EXTENSION_UDF, true, true}, |
| {FILE_PATH_LITERAL(".url"), EXTENSION_URL, true, false}, |
| {FILE_PATH_LITERAL(".uu"), EXTENSION_UU, true, true}, |
| {FILE_PATH_LITERAL(".uue"), EXTENSION_UUE, true, true}, |
| {FILE_PATH_LITERAL(".vb"), EXTENSION_VB, true, false}, |
| {FILE_PATH_LITERAL(".vbe"), EXTENSION_VBE, true, false}, |
| {FILE_PATH_LITERAL(".vbs"), EXTENSION_VBS, true, false}, |
| {FILE_PATH_LITERAL(".vbscript"), EXTENSION_VBSCRIPT, false, false}, // UMA. |
| {FILE_PATH_LITERAL(".vhd"), EXTENSION_VHD, true, true}, |
| {FILE_PATH_LITERAL(".vhdx"), EXTENSION_VHDX, true, true}, |
| {FILE_PATH_LITERAL(".vmdk"), EXTENSION_VMDK, true, true}, |
| {FILE_PATH_LITERAL(".vsd"), EXTENSION_VSD, true, false}, |
| {FILE_PATH_LITERAL(".vsmacros"), EXTENSION_VSMACROS, true, false}, |
| {FILE_PATH_LITERAL(".vss"), EXTENSION_VSS, true, false}, |
| {FILE_PATH_LITERAL(".vst"), EXTENSION_VST, true, false}, |
| {FILE_PATH_LITERAL(".vsw"), EXTENSION_VSW, true, false}, |
| {FILE_PATH_LITERAL(".website"), EXTENSION_WEBSITE, true, false}, |
| {FILE_PATH_LITERAL(".wim"), EXTENSION_WIM, true, true}, |
| {FILE_PATH_LITERAL(".workflow"), EXTENSION_WORKFLOW, false, false}, // UMA. |
| {FILE_PATH_LITERAL(".wrc"), EXTENSION_WRC, true, true}, |
| {FILE_PATH_LITERAL(".ws"), EXTENSION_WS, true, false}, |
| {FILE_PATH_LITERAL(".wsc"), EXTENSION_WSC, true, false}, |
| {FILE_PATH_LITERAL(".wsf"), EXTENSION_WSF, true, false}, |
| {FILE_PATH_LITERAL(".wsh"), EXTENSION_WSH, true, false}, |
| {FILE_PATH_LITERAL(".xar"), EXTENSION_XAR, true, true}, |
| {FILE_PATH_LITERAL(".xbap"), EXTENSION_XBAP, true, false}, |
| {FILE_PATH_LITERAL(".xml"), EXTENSION_XML, true, false}, |
| {FILE_PATH_LITERAL(".xnk"), EXTENSION_XNK, true, false}, |
| {FILE_PATH_LITERAL(".xrm-ms"), EXTENSION_XRM_MS, true, false}, |
| {FILE_PATH_LITERAL(".xsl"), EXTENSION_XSL, true, false}, |
| {FILE_PATH_LITERAL(".xxe"), EXTENSION_XXE, true, true}, |
| {FILE_PATH_LITERAL(".xz"), EXTENSION_XZ, true, true}, |
| {FILE_PATH_LITERAL(".z"), EXTENSION_Z, true, true}, |
| {FILE_PATH_LITERAL(".zip"), EXTENSION_ZIP, true, true}, |
| {FILE_PATH_LITERAL(".zipx"), EXTENSION_ZIPX, true, true}, |
| {FILE_PATH_LITERAL(".zpaq"), EXTENSION_ZPAQ, true, true}, |
| }; |
| |
| const SafeBrowsingFiletype& GetFileType(const base::FilePath& file) { |
| static const SafeBrowsingFiletype kOther = { |
| nullptr, EXTENSION_OTHER, false, false |
| }; |
| |
| base::FilePath::StringType extension = GetFileExtension(file); |
| SafeBrowsingFiletype needle = {extension.c_str()}; |
| |
| const auto begin = kSafeBrowsingFileTypes; |
| const auto end = kSafeBrowsingFileTypes + arraysize(kSafeBrowsingFileTypes); |
| const auto result = std::lower_bound( |
| begin, end, needle, |
| [](const SafeBrowsingFiletype& left, const SafeBrowsingFiletype& right) { |
| return base::FilePath::CompareLessIgnoreCase(left.extension, |
| right.extension); |
| }); |
| if (result == end || |
| !base::FilePath::CompareEqualIgnoreCase(needle.extension, |
| result->extension)) |
| return kOther; |
| return *result; |
| } |
| |
| } // namespace |
| |
| const int kSBClientDownloadExtensionsMax = EXTENSION_MAX; |
| |
| const base::FilePath::StringType GetFileExtension(const base::FilePath& file) { |
| // Remove trailing space and period characters from the extension. |
| base::FilePath::StringType file_basename = file.BaseName().value(); |
| base::FilePath::StringPieceType trimmed_filename = base::TrimString( |
| file_basename, FILE_PATH_LITERAL(". "), base::TRIM_TRAILING); |
| return base::FilePath(trimmed_filename).FinalExtension(); |
| } |
| |
| bool IsArchiveFile(const base::FilePath& file) { |
| // List of interesting archive file formats in kSafeBrowsingFileTypes is by no |
| // means exhaustive, but are currently file types that Safe Browsing would |
| // like to see pings for due to the possibility of them being used as wrapper |
| // formats for malicious payloads. |
| return GetFileType(file).is_archive; |
| } |
| |
| bool IsSupportedBinaryFile(const base::FilePath& file) { |
| return GetFileType(file).is_supported_binary; |
| } |
| |
| ClientDownloadRequest::DownloadType GetDownloadType( |
| const base::FilePath& file) { |
| DCHECK(IsSupportedBinaryFile(file)); |
| if (file.MatchesExtension(FILE_PATH_LITERAL(".apk"))) |
| return ClientDownloadRequest::ANDROID_APK; |
| else if (file.MatchesExtension(FILE_PATH_LITERAL(".crx"))) |
| return ClientDownloadRequest::CHROME_EXTENSION; |
| else if (file.MatchesExtension(FILE_PATH_LITERAL(".zip"))) |
| // DownloadProtectionService doesn't send a ClientDownloadRequest for ZIP |
| // files unless they contain either executables or archives. The resulting |
| // DownloadType is either ZIPPED_EXECUTABLE or ZIPPED_ARCHIVE respectively. |
| // This function will return ZIPPED_EXECUTABLE for ZIP files as a |
| // placeholder. The correct DownloadType will be determined based on the |
| // result of analyzing the ZIP file. |
| return ClientDownloadRequest::ZIPPED_EXECUTABLE; |
| else if (file.MatchesExtension(FILE_PATH_LITERAL(".dmg")) || |
| file.MatchesExtension(FILE_PATH_LITERAL(".pkg")) || |
| file.MatchesExtension(FILE_PATH_LITERAL(".osx")) || |
| file.MatchesExtension(FILE_PATH_LITERAL(".app"))) |
| return ClientDownloadRequest::MAC_EXECUTABLE; |
| else if (IsArchiveFile(file)) |
| return ClientDownloadRequest::ARCHIVE; |
| return ClientDownloadRequest::WIN_EXECUTABLE; |
| } |
| |
| int GetSBClientDownloadExtensionValueForUMA(const base::FilePath& file) { |
| return GetFileType(file).uma_value; |
| } |
| |
| } // namespace download_protection_util |
| } // namespace safe_browsing |
