mirror of
https://github.com/ossrs/srs.git
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122 lines
3.5 KiB
PowerShell
122 lines
3.5 KiB
PowerShell
#-----------------------------------------------------------------------------
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#
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# SRT - Secure, Reliable, Transport
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# Copyright (c) 2021, Thierry Lelegard
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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#-----------------------------------------------------------------------------
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<#
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.SYNOPSIS
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Download, expand and install NSIS, the NullSoft Installer Scripting.
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.PARAMETER ForceDownload
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Force a download even if NSIS is already downloaded.
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.PARAMETER NoInstall
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Do not install the NSIS package. By default, NSIS is installed.
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.PARAMETER NoPause
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Do not wait for the user to press <enter> at end of execution. By default,
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execute a "pause" instruction at the end of execution, which is useful
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when the script was run from Windows Explorer.
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#>
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[CmdletBinding(SupportsShouldProcess=$true)]
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param(
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[switch]$ForceDownload = $false,
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[switch]$NoInstall = $false,
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[switch]$NoPause = $false
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)
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Write-Output "NSIS download and installation procedure"
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$NSISPage = "https://nsis.sourceforge.io/Download"
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$FallbackURL = "http://prdownloads.sourceforge.net/nsis/nsis-3.05-setup.exe?download"
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# A function to exit this script.
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function Exit-Script([string]$Message = "")
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{
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$Code = 0
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if ($Message -ne "") {
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Write-Output "ERROR: $Message"
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$Code = 1
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}
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if (-not $NoPause) {
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pause
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}
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exit $Code
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}
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# Local file names.
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$RootDir = $PSScriptRoot
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$TmpDir = "$RootDir\tmp"
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# Create the directory for external products when necessary.
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[void] (New-Item -Path $TmpDir -ItemType Directory -Force)
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# Without this, Invoke-WebRequest is awfully slow.
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$ProgressPreference = 'SilentlyContinue'
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# Get the HTML page for NSIS downloads.
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$status = 0
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$message = ""
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$Ref = $null
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try {
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$response = Invoke-WebRequest -UseBasicParsing -UserAgent Download -Uri $NSISPage
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$status = [int] [Math]::Floor($response.StatusCode / 100)
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}
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catch {
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$message = $_.Exception.Message
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}
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if ($status -ne 1 -and $status -ne 2) {
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# Error fetch NSIS download page.
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if ($message -eq "" -and (Test-Path variable:response)) {
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Write-Output "Status code $($response.StatusCode), $($response.StatusDescription)"
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}
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else {
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Write-Output "#### Error accessing ${NSISPage}: $message"
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}
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}
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else {
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# Parse HTML page to locate the latest installer.
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$Ref = $response.Links.href | Where-Object { $_ -like "*/nsis-*-setup.exe?download" } | Select-Object -First 1
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}
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if (-not $Ref) {
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# Could not find a reference to NSIS installer.
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$Url = [System.Uri]$FallbackURL
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}
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else {
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# Build the absolute URL's from base URL (the download page) and href links.
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$Url = New-Object -TypeName 'System.Uri' -ArgumentList ([System.Uri]$NSISPage, $Ref)
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}
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$InstallerName = (Split-Path -Leaf $Url.LocalPath)
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$InstallerPath = "$TmpDir\$InstallerName"
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# Download installer
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if (-not $ForceDownload -and (Test-Path $InstallerPath)) {
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Write-Output "$InstallerName already downloaded, use -ForceDownload to download again"
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}
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else {
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Write-Output "Downloading $Url ..."
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Invoke-WebRequest -UseBasicParsing -UserAgent Download -Uri $Url -OutFile $InstallerPath
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if (-not (Test-Path $InstallerPath)) {
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Exit-Script "$Url download failed"
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}
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}
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# Install NSIS
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if (-not $NoInstall) {
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Write-Output "Installing $InstallerName"
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Start-Process -FilePath $InstallerPath -ArgumentList @("/S") -Wait
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}
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Exit-Script
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