mirror of
https://github.com/iminet/dev.git
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368 lines
16 KiB
PowerShell
368 lines
16 KiB
PowerShell
#Requires -Version 5.1
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<#
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.SYNOPSIS
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Upload JPG, JPEG, and PNG files to ImgBB sequentially.
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.DESCRIPTION
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Uses the official HTTPS API without external module dependencies. Files are
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streamed through the pipeline without a configured file-count limit.
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Requests are spaced 3-6 seconds apart by default. Transient failures get at most three
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retries with exponential backoff and jitter; Retry-After is respected.
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Exhausted transient failures stop the run to avoid sustained server load.
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Automation is not disguised and service-side limits still apply.
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Console colors: green for success, cyan for status/dry run, yellow for
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retries/skips, and red for errors. Text labels remain readable without color.
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.PARAMETER DirectoryPath
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An existing directory. Treated as a literal path, including brackets.
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Required unless FilePath is supplied. Ignored when FilePath is supplied.
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.PARAMETER FilePath
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One existing JPG, JPEG, or PNG file, interpreted literally. Takes precedence
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over DirectoryPath. An invalid FilePath fails without falling back to a
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directory scan. Recurse has no effect in single-file mode.
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.PARAMETER ApiKey
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ImgBB API key. A nonblank value overrides IMGBB_API_KEY. Prefer the environment
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variable to avoid saving a key in shell history. The key is sent in the POST
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body, never in the URL or script-generated messages.
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.PARAMETER Recurse
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Include subdirectories. Disabled by default. Hidden files are not included.
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Ignored when FilePath is supplied.
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.PARAMETER WaitTime
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Random (default) enables a random 3-6 second pause between requests.
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Only Off disables this ordinary pause. Omitted, empty, or unrecognized
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values retain random waiting. Values are case-insensitive. Retry backoff
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and server Retry-After waits remain enabled even with Off.
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.PARAMETER Silent
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Show errors only; suppress file status, retry notices, and summaries.
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Errors are plain messages on standard error, without PowerShell error blocks.
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.PARAMETER DryRun
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Enumerate, validate size/readability, and Base64-encode files without any
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network requests or delays. Requires a key but cannot validate it remotely.
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Honors Recurse and Silent. Does not validate actual image contents.
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.EXAMPLE
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$env:IMGBB_API_KEY = 'YOUR_API_KEY'
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.\Upload-ImagesToImgBB.ps1 -DirectoryPath 'C:\Images'
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -DirectoryPath './images' -ApiKey $key -Recurse
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -DirectoryPath './images' -Recurse -DryRun
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -DirectoryPath './images' -Silent
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -DirectoryPath './images' -WaitTime Off
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Disables ordinary request delays while retaining retry waits.
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -FilePath 'C:\Images\photo.jpg' -DryRun
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.EXAMPLE
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.\Upload-ImagesToImgBB.ps1 -FilePath 'C:\Images\photo.jpg' -DirectoryPath 'C:\OtherImages'
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Uploads only photo.jpg; DirectoryPath is ignored.
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.NOTES
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Intended for Windows PowerShell 5.1 and PowerShell 7.
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Exit codes: 0 = success (including no matching files); 1 = any failure.
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A run stopped early reports only files processed before the stop.
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No automatic expiration is requested. No files are modified locally.
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Re-running uploads files again. A lost response followed by a retry can also
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create a duplicate: the API does not provide an idempotency key here.
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Do not publish real keys, private images, or transcripts containing secrets.
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.LINK
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https://api.imgbb.com/
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#>
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# SPDX-License-Identifier: MIT
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# Copyright (c) 2026 Upload-ImagesToImgBB contributors
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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[CmdletBinding()]
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param (
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[string]$DirectoryPath,
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[string]$FilePath,
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[string]$ApiKey,
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[AllowNull()]
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[AllowEmptyString()]
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[string]$WaitTime = 'Random',
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[switch]$Recurse,
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[switch]$Silent,
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[switch]$DryRun
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)
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function Write-Status {
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param (
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[string]$Message,
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[ConsoleColor]$Color = [ConsoleColor]::Cyan
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)
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if (-not $Silent) { Write-Host $Message -ForegroundColor $Color }
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}
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function Write-UploadError {
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param (
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[string]$Message,
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[ConsoleColor]$Color = [ConsoleColor]::Red
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)
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# Do not print raw exceptions, request bodies, or server response bodies.
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# Preserve standard error and plain messages without PowerShell error blocks.
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# Redirected errors receive no color sequences; unsupported hosts use plain text.
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$restoreColor = $false
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try {
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if (-not [Console]::IsErrorRedirected) {
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$previousColor = [Console]::ForegroundColor
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[Console]::ForegroundColor = $Color
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$restoreColor = $true
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}
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}
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catch { }
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try {
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[Console]::Error.WriteLine("[ERROR] $Message")
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}
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finally {
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if ($restoreColor) {
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try { [Console]::ForegroundColor = $previousColor }
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catch { }
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}
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}
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}
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function Get-RetryAfterSeconds {
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param ($HttpResponse)
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if ($null -eq $HttpResponse) { return 0.0 }
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try {
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# Both WebHeaderCollection (5.1) and HttpResponseHeaders (7) support this.
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$headerValues = @($HttpResponse.Headers.GetValues('Retry-After'))
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if ($headerValues.Count -eq 0) { return 0.0 }
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$header = [string]$headerValues[0]
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$seconds = 0L
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if ([long]::TryParse($header, [ref]$seconds) -and $seconds -ge 0) {
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return [double]$seconds
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}
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$date = [DateTimeOffset]::MinValue
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if ([DateTimeOffset]::TryParse($header,
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[Globalization.CultureInfo]::InvariantCulture,
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[Globalization.DateTimeStyles]::AssumeUniversal, [ref]$date)) {
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return [Math]::Max(0, [Math]::Ceiling(($date - [DateTimeOffset]::UtcNow).TotalSeconds))
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}
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}
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catch { } # Missing/malformed headers fall back to exponential backoff.
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return 0.0
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}
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function Wait-UploadDelay {
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param ([double]$Seconds)
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# Chunk long Retry-After values without shortening the requested wait.
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while ($Seconds -gt 0) {
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$chunk = [int][Math]::Min(60, [Math]::Ceiling($Seconds))
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Start-Sleep -Seconds $chunk
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$Seconds -= $chunk
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}
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}
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$finalApiKey = if ([string]::IsNullOrWhiteSpace($ApiKey)) {
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$env:IMGBB_API_KEY
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}
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else { $ApiKey }
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if ([string]::IsNullOrWhiteSpace($finalApiKey)) {
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Write-UploadError 'API key missing. Use -ApiKey or set IMGBB_API_KEY.'
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exit 1
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}
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# Presence, rather than validity, determines precedence. Never silently upload
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# a directory when the caller explicitly selected a missing or invalid file.
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$useFilePath = $PSBoundParameters.ContainsKey('FilePath')
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$supportedExtensions = @('.jpg', '.jpeg', '.png')
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$inputError = if ($useFilePath) {
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'FilePath must identify an existing, accessible JPG, JPEG, or PNG file. DirectoryPath is ignored.'
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}
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else { 'DirectoryPath must identify an existing, accessible filesystem directory, or supply -FilePath.' }
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try {
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if ($useFilePath) {
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if ([string]::IsNullOrWhiteSpace($FilePath)) { throw 'Empty file path.' }
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$selectedFile = Get-Item -LiteralPath $FilePath -ErrorAction Stop
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if ($selectedFile.PSIsContainer -or $selectedFile.PSProvider.Name -ne 'FileSystem' -or
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$selectedFile.Extension -notin $supportedExtensions) {
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throw 'Unsupported file input.'
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}
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}
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else {
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if ([string]::IsNullOrWhiteSpace($DirectoryPath)) { throw 'Missing directory path.' }
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$directory = Get-Item -LiteralPath $DirectoryPath -ErrorAction Stop
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if (-not $directory.PSIsContainer -or $directory.PSProvider.Name -ne 'FileSystem') {
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throw 'A filesystem directory is required.'
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}
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}
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}
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catch {
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Write-UploadError $inputError
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exit 1
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}
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$processed = 0L
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$succeeded = 0L
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$failed = 0L
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$runFailed = $false
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$requestSent = $false
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# Deliberately avoid ValidateSet: unknown values must fall back to random waits.
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$useRandomWait = $WaitTime -ine 'Off'
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$maxAttempts = 4 # One initial request plus three retries.
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$transientStatusCodes = @(408, 429, 500, 502, 503, 504)
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$endpoint = 'https://api.imgbb.com/1/upload'
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$originalSecurityProtocol = [Net.ServicePointManager]::SecurityProtocol
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try {
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if (-not $DryRun -and $PSVersionTable.PSVersion.Major -eq 5) {
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[Net.ServicePointManager]::SecurityProtocol = $originalSecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
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}
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$mode = if ($DryRun) { 'Dry run' } else { 'Upload' }
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if ($useFilePath) {
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Write-Status "$mode started. Single file: $($selectedFile.FullName)."
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}
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else {
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Write-Status "$mode started. Recursive search: $([bool]$Recurse)."
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}
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if (-not $DryRun) {
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$waitMode = if ($useRandomWait) { 'Random (3-6 seconds)' } else { 'Off (retry waits still apply)' }
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Write-Status "Request delay: $waitMode."
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}
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# Both modes feed the same preparation/upload pipeline; directory mode
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# continues to stream files instead of collecting the full list in memory.
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$getSelectedImages = {
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if ($useFilePath) { $selectedFile }
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else {
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Get-ChildItem -LiteralPath $directory.FullName -File -Recurse:$Recurse -ErrorAction Stop |
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Where-Object { $_.Extension -in $supportedExtensions }
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}
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}
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& $getSelectedImages | ForEach-Object {
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$image = $_
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$processed++
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$base64Image = $null
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try {
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# Check again after reading in case a file changed during enumeration.
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if ($image.Length -eq 0 -or $image.Length -gt 32MB) {
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$failed++
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Write-UploadError "[SKIP] '$($image.FullName)': size $($image.Length) bytes; allowed range is 1 byte to 32 MiB." -Color Yellow
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return
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}
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$fileBytes = [IO.File]::ReadAllBytes($image.FullName)
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if ($fileBytes.Length -eq 0 -or $fileBytes.Length -gt 32MB) {
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$failed++
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Write-UploadError "[SKIP] '$($image.FullName)': size after reading is $($fileBytes.Length) bytes; allowed range is 1 byte to 32 MiB." -Color Yellow
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return
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}
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$base64Image = [Convert]::ToBase64String($fileBytes)
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}
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catch {
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$failed++
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$reason = $_.Exception.GetBaseException().GetType().Name
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Write-UploadError "[SKIP] '$($image.FullName)': cannot read or encode the file ($reason)." -Color Yellow
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return # Skip this pipeline item; continue with the next file.
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}
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finally { $fileBytes = $null }
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if ($DryRun) {
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$succeeded++
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Write-Status "[DRY RUN] Would upload: $($image.FullName)"
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$base64Image = $null
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return
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}
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$body = @{ key = $finalApiKey; image = $base64Image; name = $image.BaseName }
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try {
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for ($attempt = 1; $attempt -le $maxAttempts; $attempt++) {
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if ($requestSent -and $useRandomWait) {
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Wait-UploadDelay -Seconds (Get-Random -Minimum 3 -Maximum 7)
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}
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Write-Status "[UPLOAD $attempt/$maxAttempts] $($image.FullName)" -Color White
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$statusCode = 0
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$retryAfter = 0.0
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$requestSent = $true
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try {
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$response = Invoke-RestMethod -Uri $endpoint -Method Post -Body $body `
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-ContentType 'application/x-www-form-urlencoded' -TimeoutSec 60 `
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-MaximumRedirection 0 -UseBasicParsing -ErrorAction Stop -Verbose:$false -Debug:$false
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if ($response.success -eq $true) {
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$succeeded++
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Write-Status "[SUCCESS] $($image.FullName) -> $($response.data.url)" -Color Green
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break
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}
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# An unsuccessful HTTP 2xx response must also terminate or retry.
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if ($null -ne $response.status) {
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$parsedStatus = 0
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if ([int]::TryParse([string]$response.status, [ref]$parsedStatus)) {
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$statusCode = $parsedStatus
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}
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}
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if ($statusCode -eq 0) { $statusCode = 400 }
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}
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catch {
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$httpResponse = $_.Exception.Response
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if ($null -ne $httpResponse) {
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$statusCode = [int]$httpResponse.StatusCode
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$retryAfter = Get-RetryAfterSeconds -HttpResponse $httpResponse
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}
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# Status 0 represents a transport failure with no HTTP response.
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}
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$transient = $statusCode -eq 0 -or $statusCode -in $transientStatusCodes
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$label = if ($statusCode -eq 0) { 'transport failure' } else { "HTTP/API $statusCode" }
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Write-UploadError "Attempt $attempt/$maxAttempts failed for '$($image.FullName)' ($label)."
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if ($transient -and $attempt -lt $maxAttempts) {
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$backoff = 5 * [Math]::Pow(2, $attempt - 1) + (Get-Random -Minimum 0 -Maximum 4)
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$wait = [Math]::Max($backoff, $retryAfter)
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Write-Status "[RETRY] Waiting at least $wait seconds." -Color Yellow
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Wait-UploadDelay -Seconds $wait
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continue
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}
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$failed++
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if ($statusCode -in @(401, 403) -or $transient) {
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throw 'Authentication/access failure or exhausted transient retries.'
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}
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# A permanent per-file rejection should not retry unchanged input.
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break
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}
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}
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finally {
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$body.Clear()
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$base64Image = $null
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$response = $null
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}
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}
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}
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catch {
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$runFailed = $true
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Write-UploadError 'Run stopped. Check the selected input and its permissions; if requests failed, check the API key, connection, or service availability before restarting.'
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}
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finally {
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if ($PSVersionTable.PSVersion.Major -eq 5) {
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[Net.ServicePointManager]::SecurityProtocol = $originalSecurityProtocol
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}
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$finalApiKey = $null
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}
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if ($DryRun) {
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Write-Status "Dry run finished. Processed: $processed; ready: $succeeded; failed: $failed."
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}
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else {
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Write-Status "Upload finished. Processed: $processed; uploaded: $succeeded; failed: $failed."
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}
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if ($runFailed -or $failed -gt 0) { exit 1 }
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exit 0
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