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install.js
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install.js
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// Install script for Enigmail
var err;
const APP_VERSION="0.94.1.2";
const ABI_PLATFORM_LINUX="Linux_x86-gcc3";
const ABI_PLATFORM_WIN="WINNT_x86-msvc";
const ABI_PLATFORM_DARWIN_PPC="Darwin_ppc-gcc3";
const ABI_PLATFORM_DARWIN_X86="Darwin_x86-gcc3";
const APP_PLATFORM_LINUX="linux";
const APP_PLATFORM_WIN="win";
const APP_PLATFORM_MAC="mac";
const APP_PLATFORM_OTHER="other";
err = initInstall("Enigmail v"+APP_VERSION, // name for install UI
"/enigmail", // registered name
APP_VERSION); // package version
logComment("initInstall: " + err);
var srDest = 500; // Disk space required for installation (KB)
var fProgram = getFolder("Program");
logComment("fProgram: " + fProgram);
if (!verifyDiskSpace(fProgram, srDest)) {
cancelInstall(INSUFFICIENT_DISK_SPACE);
} else {
var fChrome = getFolder("Chrome");
var fComponents = getFolder("Components");
var fDefaults = getFolder("Program", "defaults/pref");
// workaround for Mozilla 1.8a3 and newer, failing to register enigmime correctly
var delComps = [ "compreg.dat" ]; // Components registry
for (var j=0; j<delComps.length; j++) {
var delFile = getFolder(fComponents, delComps[j]);
if (File.exists(delFile))
File.remove(delFile);
}
switch (getPlatform()) {
case APP_PLATFORM_LINUX:
addDirectory("", "platform/"+ABI_PLATFORM_LINUX+"/components", fComponents, "");
break;
case APP_PLATFORM_WIN:
addDirectory("", "platform/"+ABI_PLATFORM_WIN+"/components", fComponents, "");
break;
case APP_PLATFORM_MAC:
addDirectory("", "platform/"+ABI_PLATFORM_DARWIN_PPC+"/components", fComponents, "");
addDirectory("", "platform/"+ABI_PLATFORM_DARWIN_X86+"/components", fComponents, "");
break;
}
err = getLastError();
if (err == DOES_NOT_EXIST) {
// error code: file does not exist
logComment("platform dependent directory does not exist: " + err);
resetError();
}
else if (err != SUCCESS) {
cancelInstall(err);
}
// addDirectory: blank, archive_dir, install_dir, install_subdir
addDirectory("", "components", fComponents, "");
addDirectory("", "chrome", fChrome, "");
addDirectory("", "defaults/pref", fDefaults, "");
err = getLastError();
if (err == ACCESS_DENIED) {
alert("Unable to write to components directory "+fComponents+".\n You will need to restart the browser with administrator/root privileges to install this software. After installing as root (or administrator), you will need to restart the browser one more time, as a privileged user, to register the installed software.\n After the second restart, you can go back to running the browser without privileges!");
cancelInstall(ACCESS_DENIED);
} else if (err != SUCCESS) {
cancelInstall(err);
} else {
// Register chrome
var isTbird = false;
registerChrome(PACKAGE | DELAYED_CHROME, getFolder("Chrome","enigmail.jar"), "content/enigmail/");
if (! isTbird) {
registerChrome( SKIN | DELAYED_CHROME, getFolder("Chrome","enigmail-skin.jar"), "skin/modern/enigmail/");
registerChrome( SKIN | DELAYED_CHROME, getFolder("Chrome","enigmail-skin.jar"), "skin/classic/enigmail/");
}
else {
registerChrome( SKIN | DELAYED_CHROME, getFolder("Chrome","enigmail-skin-tbird.jar"), "skin/classic/enigmail/");
}
registerChrome( LOCALE | DELAYED_CHROME, getFolder("Chrome","enigmail.jar"), "locale/en-US/enigmail/");
err = getLastError();
if (err != SUCCESS) {
cancelInstall(err);
} else {
performInstall();
}
}
}
// this function verifies disk space in kilobytes
function verifyDiskSpace(dirPath, spaceRequired) {
var spaceAvailable;
// Get the available disk space on the given path
spaceAvailable = fileGetDiskSpaceAvailable(dirPath);
// Convert the available disk space into kilobytes
spaceAvailable = parseInt(spaceAvailable / 1024);
// do the verification
if(spaceAvailable < spaceRequired) {
logComment("Insufficient disk space: " + dirPath);
logComment(" required : " + spaceRequired + " K");
logComment(" available: " + spaceAvailable + " K");
return false;
}
return true;
}
// OS type detection
// which platform?
function getPlatform() {
var platformStr;
var platformNode = "";
if('platform' in Install) {
platformStr = new String(Install.platform);
if (!platformStr.search(/^Macintosh/))
platformNode = APP_PLATFORM_MAC;
else if (!platformStr.search(/^Win/))
platformNode = APP_PLATFORM_WIN;
else if (platformStr.search(/Linux/))
platformNode = APP_PLATFORM_LINUX;
else
platformNode = APP_PLATFORM_OTHER;
}
return platformNode;
}

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