[7d3ae3e] | 1 | /* |
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| 2 | * Estonian ID card plugin for web browsers |
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| 3 | * |
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| 4 | * Copyright (C) 2010-2011 Codeborne <info@codeborne.com> |
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| 5 | * |
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| 6 | * This is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * This software is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with this library; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | * |
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| 20 | */ |
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| 21 | |
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| 22 | #include <stdlib.h> |
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| 23 | #include <string.h> |
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| 24 | #include "plugin-class.h" |
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| 25 | #include "version.h" |
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| 26 | #include "cert-class.h" |
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| 27 | #include "dialogs.h" |
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| 28 | #include "esteid_sign.h" |
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| 29 | #include "esteid_map.h" |
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| 30 | #include "esteid_json.h" |
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| 31 | #include "l10n.h" |
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| 32 | #include "esteid_error.h" |
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| 33 | #include "npapi.h" |
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| 34 | #include "esteid_certinfo.h" |
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| 35 | #ifdef _WIN32 |
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| 36 | #include "certselection-win.h" |
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| 37 | #include "esteid_dialog_common.h" |
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| 38 | #include "dialogs-win.h" |
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| 39 | extern HINSTANCE pluginInstance; |
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| 40 | #endif |
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| 41 | |
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| 42 | extern NPNetscapeFuncs* browserFunctions; |
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| 43 | extern char EstEID_error[1024]; |
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| 44 | extern int EstEID_errorCode; |
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| 45 | |
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| 46 | bool allowedSite; |
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| 47 | char pluginLanguage[3]; |
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| 48 | |
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| 49 | bool isAllowedSite() { |
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| 50 | if(!allowedSite) { |
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| 51 | sprintf(EstEID_error, "Site is not allowed"); |
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| 52 | EstEID_errorCode = ESTEID_SITE_NOT_ALLOWED; |
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| 53 | EstEID_log("called from forbidden site"); |
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| 54 | return false; |
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| 55 | } |
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| 56 | return true; |
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| 57 | } |
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| 58 | |
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| 59 | bool pluginInvokeDefault(PluginInstance *obj, NPVariant *args, unsigned argCount, NPVariant *result) { |
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| 60 | return false; |
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| 61 | } |
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| 62 | |
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| 63 | void pluginInvalidate() { |
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| 64 | } |
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| 65 | |
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| 66 | bool pluginSetProperty(PluginInstance *obj, NPIdentifier name, const NPVariant *variant) { |
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| 67 | LOG_LOCATION; |
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| 68 | if(isSameIdentifier(name, "pluginLanguage")) { |
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| 69 | memset(pluginLanguage, '\0', 3); |
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| 70 | if(NPVARIANT_IS_STRING(*variant)) { |
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| 71 | strncpy(pluginLanguage, NPVARIANT_TO_STRING(*variant).UTF8Characters, 2); |
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| 72 | return true; |
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| 73 | } |
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| 74 | return true; |
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| 75 | } |
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| 76 | return false; |
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| 77 | } |
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| 78 | |
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| 79 | bool pluginHasMethod(PluginInstance *obj, NPIdentifier name) { |
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| 80 | return |
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| 81 | isSameIdentifier(name, "sign") || |
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| 82 | isSameIdentifier(name, "getCertificate") || |
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| 83 | isSameIdentifier(name, "getVersion"); |
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| 84 | } |
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| 85 | |
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| 86 | bool pluginHasProperty(NPClass *theClass, NPIdentifier name) { |
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| 87 | return |
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| 88 | isSameIdentifier(name, "version") || |
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| 89 | isSameIdentifier(name, "errorMessage") || |
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| 90 | isSameIdentifier(name, "errorCode") || |
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| 91 | isSameIdentifier(name, "authCert") || |
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| 92 | isSameIdentifier(name, "pluginLanguage") || |
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| 93 | isSameIdentifier(name, "signCert"); |
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| 94 | } |
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| 95 | |
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| 96 | void *getNativeWindowHandle(PluginInstance *obj) { |
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| 97 | void *nativeWindowHandle = obj->nativeWindowHandle; |
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| 98 | #ifdef _WIN32 |
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| 99 | EstEID_log("_WIN32 detected, forcing nativeWindowHandle query from browser"); |
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| 100 | nativeWindowHandle = 0; |
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| 101 | #endif |
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| 102 | if (!nativeWindowHandle) { |
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| 103 | browserFunctions->getvalue(obj->npp, NPNVnetscapeWindow, &nativeWindowHandle); |
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| 104 | EstEID_log("reading nativeWindowHandle=%p from browserFunctions", nativeWindowHandle); |
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| 105 | } |
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| 106 | else { |
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| 107 | EstEID_log("reading nativeWindowHandle=%p from PluginInstance", nativeWindowHandle); |
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| 108 | } |
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| 109 | return nativeWindowHandle; |
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| 110 | } |
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| 111 | |
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| 112 | char *getLanguageFromOptions(PluginInstance *obj, NPVariant options) { |
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| 113 | LOG_LOCATION; |
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| 114 | NPObject *object = NPVARIANT_TO_OBJECT(options); |
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| 115 | NPIdentifier identifier = browserFunctions->getstringidentifier("language"); |
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| 116 | NPVariant languageResult; |
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| 117 | if (browserFunctions->getproperty(obj->npp, object, identifier, &languageResult) && NPVARIANT_IS_STRING(languageResult)) { |
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| 118 | char *language = createStringFromNPVariant(&languageResult); |
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| 119 | EstEID_log("returning language '%s'", language); |
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| 120 | return language; |
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| 121 | } |
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| 122 | EstEID_log("unable to read language from options, returning empty string"); |
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| 123 | return ""; |
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| 124 | } |
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| 125 | |
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| 126 | bool doSign(PluginInstance *obj, NPVariant *args, unsigned argCount, NPVariant *result) { |
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| 127 | EstEID_log("obj=%p, name=sign argCount=%u", obj, argCount); |
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| 128 | |
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| 129 | FAIL_IF_NOT_ALLOWED_SITE; |
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| 130 | |
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| 131 | if (argCount < 2) { |
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| 132 | browserFunctions->setexception(&obj->header, "Missing arguments"); |
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| 133 | return false; |
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| 134 | } |
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| 135 | |
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| 136 | if(argCount > 2 && NPVARIANT_IS_OBJECT(args[2])){ |
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| 137 | strncpy(pluginLanguage, getLanguageFromOptions(obj, args[2]), 2); |
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| 138 | } |
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| 139 | //EstEID_setLocale(pluginLanguage); |
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| 140 | EstEID_setLocale("ru"); |
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| 141 | |
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| 142 | void* wnd = getNativeWindowHandle(obj); |
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| 143 | |
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| 144 | EstEID_PINPromptData pinPromptData = {promptForPIN, showAlert, wnd}; |
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| 145 | NPUTF8* certId = createStringFromNPVariant(&args[0]); |
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| 146 | NPUTF8* hash = createStringFromNPVariant(&args[1]); |
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| 147 | char *signature = NULL; |
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| 148 | |
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| 149 | #ifdef _WIN32 |
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| 150 | DialogData dialogData; |
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| 151 | dialogData.pin2[0] = '\0'; |
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| 152 | dialogData.minPin2Length = 5; |
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| 153 | dialogData.certId = certId; |
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| 154 | dialogData.hash = hash; |
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| 155 | dialogData.signature[0] = '\0'; |
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| 156 | |
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| 157 | CK_SLOT_ID slotId; |
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| 158 | if(EstEID_getSlotId(certId, &slotId)){ |
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| 159 | if(EstEID_isPinPad(slotId)) { |
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| 160 | signature = EstEID_sign(certId, hash, pinPromptData); |
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| 161 | } |
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| 162 | else { |
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| 163 | DialogBoxParam(pluginInstance, MAKEINTRESOURCEW(IDD_PIN_DIALOG), (HWND)wnd, Pin2DialogProc, (LPARAM)&dialogData); |
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| 164 | LOG_LOCATION; |
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| 165 | signature = (char*)malloc(SIGNATURE_BUFFER_SIZE); // check? |
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| 166 | strcpy(signature, dialogData.signature); |
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| 167 | } |
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| 168 | } |
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| 169 | else { |
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| 170 | return false; |
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| 171 | } |
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| 172 | #else |
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| 173 | signature = EstEID_sign(certId, hash, pinPromptData); |
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| 174 | #endif |
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| 175 | LOG_LOCATION |
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| 176 | if (signature) { |
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| 177 | copyStringToNPVariant(signature, result); |
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| 178 | free(signature); |
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| 179 | return true; |
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| 180 | } |
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| 181 | else { |
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| 182 | EstEID_log("EstEID_error=%s", EstEID_error); |
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| 183 | browserFunctions->setexception(&obj->header, EstEID_error); |
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| 184 | return false; |
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| 185 | } |
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| 186 | } |
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| 187 | |
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| 188 | bool doGetCertificate(PluginInstance *obj, NPVariant *result) { |
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| 189 | LOG_LOCATION; |
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| 190 | FAIL_IF_NOT_ALLOWED_SITE; |
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| 191 | char selectedCertID[33]; |
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| 192 | int dlg_result = 0; |
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| 193 | |
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| 194 | #ifdef _WIN32 |
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| 195 | HWND ownerWindowHandle = (HWND)getNativeWindowHandle(obj); |
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| 196 | EstEID_log("owner window handle passed to DialogBoxParam() = %08X", ownerWindowHandle); |
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| 197 | dlg_result = (int)DialogBoxParam(pluginInstance, MAKEINTRESOURCE(IDD_CERTIFICATESELECTIONDLG), ownerWindowHandle, CertSelectionDialogProc, (LPARAM)selectedCertID); |
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| 198 | #else |
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| 199 | dlg_result = promptForCertificate(getNativeWindowHandle(obj), selectedCertID); |
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| 200 | #endif |
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| 201 | EstEID_log("Certificate selection dialog result = %i", dlg_result); |
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| 202 | EstEID_log("Selected certificate ID = %s", selectedCertID); |
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| 203 | |
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| 204 | if(dlg_result == IDCANCEL) { |
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| 205 | sprintf(EstEID_error, "User canceled"); |
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| 206 | EstEID_errorCode = ESTEID_USER_CANCEL; |
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| 207 | EstEID_log("EstEID_error = %s", EstEID_error); |
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| 208 | browserFunctions->setexception(&obj->header, EstEID_error); |
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| 209 | return false; |
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| 210 | } |
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| 211 | |
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| 212 | CertInstance *certInstance = (CertInstance *)browserFunctions->createobject(obj->npp, certClass()); |
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| 213 | certInstance->npp = obj->npp; |
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| 214 | certInstance->certInfo = EstEID_mapClone(EstEID_getNonRepudiationCertById(selectedCertID)); |
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| 215 | // certInstance->certInfo = EstEID_mapClone(EstEID_getNonRepudiationCert()); |
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| 216 | |
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| 217 | EstEID_log("certObject=%p", certInstance); |
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| 218 | OBJECT_TO_NPVARIANT((NPObject *)certInstance, *result); |
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| 219 | EstEID_log("result=%p", result); |
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| 220 | return true; |
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| 221 | } |
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| 222 | |
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| 223 | bool doGetCertificates(PluginInstance *obj, NPVariant *result) { |
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| 224 | LOG_LOCATION; |
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| 225 | EstEID_log("obj=%p, name=doGetCertificates", obj); |
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| 226 | NPObject *windowObject = NULL; |
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| 227 | browserFunctions->getvalue(obj->npp, NPNVWindowNPObject, &windowObject); |
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| 228 | NPVariant array; |
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| 229 | browserFunctions->invoke(obj->npp, windowObject, browserFunctions->getstringidentifier("Array"), NULL, 0, &array); |
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| 230 | EstEID_Certs *certs = EstEID_loadCerts(); |
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| 231 | for (int i = 0; i < certs->count; i++) { |
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| 232 | EstEID_Map cert = certs->certs[i]; |
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| 233 | if (!EstEID_mapGet(cert, "usageNonRepudiation")) continue; |
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| 234 | CertInstance *certInstance = (CertInstance *)browserFunctions->createobject(obj->npp, certClass()); |
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| 235 | certInstance->npp = obj->npp; |
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| 236 | certInstance->certInfo = EstEID_mapClone(cert); |
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| 237 | browserFunctions->retainobject((NPObject *)certInstance); |
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| 238 | EstEID_log("certObject=%p", certInstance); |
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| 239 | NPVariant *arg = (NPVariant *)browserFunctions->memalloc(sizeof(NPVariant)); |
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| 240 | OBJECT_TO_NPVARIANT((NPObject *)certInstance, *arg); |
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| 241 | NPVariant ret; |
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| 242 | browserFunctions->invoke(obj->npp, array.value.objectValue, browserFunctions->getstringidentifier("push"), arg, 1, &ret); |
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| 243 | } |
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| 244 | browserFunctions->retainobject(array.value.objectValue); |
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| 245 | OBJECT_TO_NPVARIANT(array.value.objectValue, *result); |
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| 246 | return true; |
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| 247 | } |
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| 248 | |
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| 249 | bool pluginGetProperty(PluginInstance *obj, NPIdentifier name, NPVariant *variant) { |
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| 250 | LOG_LOCATION; |
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| 251 | if (isSameIdentifier(name, "version")) |
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| 252 | return copyStringToNPVariant(ESTEID_PLUGIN_VERSION, variant); |
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| 253 | else if (isSameIdentifier(name, "errorMessage")){ |
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| 254 | EstEID_log("Reading error message: %s", EstEID_error); |
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| 255 | return copyStringToNPVariant(EstEID_error, variant); |
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| 256 | } |
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| 257 | else if (isSameIdentifier(name, "errorCode")) { |
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| 258 | INT32_TO_NPVARIANT(EstEID_errorCode, *variant); |
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| 259 | EstEID_log("returning errorCode=%i", EstEID_errorCode); |
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| 260 | return true; |
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| 261 | } |
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| 262 | else if (isSameIdentifier(name, "authCert") || isSameIdentifier(name, "signCert")){ |
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| 263 | return doGetCertificate(obj, variant); |
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| 264 | } |
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| 265 | else if (isSameIdentifier(name, "pluginLanguage")){ |
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| 266 | return copyStringToNPVariant(pluginLanguage, variant); |
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| 267 | } |
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| 268 | EstEID_log("returning false"); |
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| 269 | return false; |
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| 270 | } |
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| 271 | |
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| 272 | bool pluginInvoke(PluginInstance *obj, NPIdentifier name, NPVariant *args, unsigned argCount, NPVariant *result) { |
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| 273 | LOG_LOCATION; |
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| 274 | EstEID_clear_error(); |
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| 275 | //EstEID_setLocale(pluginLanguage); |
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| 276 | EstEID_setLocale("ru"); |
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| 277 | |
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| 278 | if (isSameIdentifier(name, "sign")) { |
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| 279 | return doSign(obj, args, argCount, result); |
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| 280 | } |
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| 281 | if (isSameIdentifier(name, "getCertificate")) { |
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| 282 | return doGetCertificate(obj, result); |
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| 283 | } |
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| 284 | if (isSameIdentifier(name, "getVersion")) { |
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| 285 | return pluginGetProperty(obj, browserFunctions->getstringidentifier("version"), result); |
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| 286 | } |
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| 287 | EstEID_log("obj=%p, name=%p, argCount=%u", obj, name, argCount); |
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| 288 | return false; |
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| 289 | } |
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| 290 | |
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| 291 | NPObject *pluginAllocate(NPP npp, NPClass *theClass) { |
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| 292 | return(NPObject *)malloc(sizeof(PluginInstance)); |
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| 293 | } |
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| 294 | |
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| 295 | void pluginDeallocate(PluginInstance *obj) { |
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| 296 | free(obj); |
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| 297 | } |
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| 298 | |
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| 299 | static NPClass _class = { |
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| 300 | NP_CLASS_STRUCT_VERSION, |
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| 301 | (NPAllocateFunctionPtr)pluginAllocate, |
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| 302 | (NPDeallocateFunctionPtr)pluginDeallocate, |
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| 303 | (NPInvalidateFunctionPtr)pluginInvalidate, |
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| 304 | (NPHasMethodFunctionPtr)pluginHasMethod, |
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| 305 | (NPInvokeFunctionPtr)pluginInvoke, |
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| 306 | (NPInvokeDefaultFunctionPtr)pluginInvokeDefault, |
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| 307 | (NPHasPropertyFunctionPtr)pluginHasProperty, |
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| 308 | (NPGetPropertyFunctionPtr)pluginGetProperty, |
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| 309 | (NPSetPropertyFunctionPtr)pluginSetProperty, |
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| 310 | }; |
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| 311 | |
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| 312 | NPClass *pluginClass() { |
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| 313 | return &_class; |
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| 314 | } |
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| 315 | |
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| 316 | |
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