Premiere commit - Omika
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# ============================================================
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# Omika Diagnostic Center - Durcissement PostgreSQL (moindre privilege)
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# Applique UNIQUEMENT 003_diagnostics_roles.sql (roles + ownership + grants).
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# ============================================================
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# A executer SUR LE SERVEUR (Windows Server 2025), PowerShell administrateur,
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# avec un compte PostgreSQL ADMINISTRATIF (superutilisateur, ex. postgres).
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#
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# Ce script est VOLONTAIREMENT SEPARE de Install-DatabaseSchema.ps1 :
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# 003 transfere l'ownership et gere les roles -> contexte administrateur.
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# 001/002 (schema) sont appliques par Install-DatabaseSchema.ps1.
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#
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# NOTE (V2) : Install-DatabaseSchema.ps1 applique desormais TOUTES les
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# migrations 001 -> 016 dans l'ordre (schema + roles + grants). Ce script reste
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# disponible pour n'appliquer QUE 003 (transition/back-compat) ; pour une
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# installation complete, preferer Install-DatabaseSchema.ps1.
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#
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# Garanties :
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# - AUCUN mot de passe en dur, AUCUN secret (les mots de passe des roles
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# LOGIN sont definis MANUELLEMENT ensuite via psql : \password <role>).
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# - AUCUN DROP, AUCUNE suppression de role/objet/donnee (003 est idempotent).
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# - Ne touche PAS au role historique omika_diagnostics_app (transition).
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#
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# Usage :
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# $env:PGPASSWORD = '...' # facultatif - sinon saisie masquee demandee
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# .\Harden-DatabaseRoles.ps1
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# .\Harden-DatabaseRoles.ps1 -DatabaseDir "C:\Omika\Deploy\phase5b2\Database"
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# .\Harden-DatabaseRoles.ps1 -PsqlPath "C:\Program Files\PostgreSQL\18\bin\psql.exe"
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# .\Harden-DatabaseRoles.ps1 -Username postgres
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# ============================================================
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[CmdletBinding()]
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param(
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[string]$DatabaseDir,
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[string]$PsqlPath,
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[string]$PgHost = '127.0.0.1',
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[int]$PgPort = 5432,
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[string]$Database = 'omika_diagnostics',
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[string]$Username = 'postgres'
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)
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$ErrorActionPreference = 'Stop'
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# --- Resolution de DatabaseDir APRES le bloc param (bug $PSScriptRoot).
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# Valeur par defaut : dossier frere "Database" du dossier du script.
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if (-not $DatabaseDir) {
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if ($PSScriptRoot) {
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$DatabaseDir = Join-Path (Split-Path -Parent $PSScriptRoot) 'Database'
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}
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}
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if (-not $DatabaseDir -or -not (Test-Path -LiteralPath $DatabaseDir)) {
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Write-Error "Dossier des schemas introuvable : $DatabaseDir. Fournissez -DatabaseDir '<chemin>\Database'."
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exit 1
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}
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# --- Detection de psql.exe (ordre : -PsqlPath, PATH, C:\Program Files\PostgreSQL\*).
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function Resolve-PsqlPath {
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param([string]$ExplicitPath)
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if ($ExplicitPath) {
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if (-not (Test-Path -LiteralPath $ExplicitPath)) {
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Write-Error "PsqlPath fourni introuvable : $ExplicitPath"
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exit 1
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}
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return (Resolve-Path -LiteralPath $ExplicitPath).Path
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}
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$inPath = Get-Command psql.exe -ErrorAction SilentlyContinue
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if ($inPath) {
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return $inPath.Source
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}
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$candidates = @(Get-ChildItem -Path 'C:\Program Files\PostgreSQL\*\bin\psql.exe' -ErrorAction SilentlyContinue)
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if ($candidates.Count -gt 0) {
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$best = $candidates | ForEach-Object {
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$version = 0
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$verDir = $_.Directory.Parent.Name
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if ($verDir -match '^\d+$') { $version = [int]$verDir }
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[PSCustomObject]@{ Path = $_.FullName; Version = $version }
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} | Sort-Object -Property Version -Descending | Select-Object -First 1
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return $best.Path
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}
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return $null
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}
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$psqlExe = Resolve-PsqlPath -ExplicitPath $PsqlPath
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if (-not $psqlExe) {
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Write-Error "Client 'psql.exe' introuvable. Fournissez -PsqlPath ou installez le client PostgreSQL."
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exit 1
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}
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Write-Host "psql utilise : $psqlExe"
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# --- Mot de passe : priorite a PGPASSWORD deja present ; sinon saisie masquee.
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$useExistingPgPassword = -not [string]::IsNullOrEmpty($env:PGPASSWORD)
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if (-not $useExistingPgPassword) {
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$secure = Read-Host "Mot de passe PostgreSQL (role '$Username', base '$Database')" -AsSecureString
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$plain = [Runtime.InteropServices.Marshal]::PtrToStringAuto(
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[Runtime.InteropServices.Marshal]::SecureStringToBSTR($secure))
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$env:PGPASSWORD = $plain
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$plain = $null
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}
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$sqlPath = Join-Path $DatabaseDir '003_diagnostics_roles.sql'
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if (-not (Test-Path -LiteralPath $sqlPath)) {
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throw "Migration de securite introuvable : $sqlPath"
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}
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try {
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Write-Host "Application du durcissement : 003_diagnostics_roles.sql (${PgHost}:${PgPort}/${Database}, role $Username) ..."
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& $psqlExe `
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-h $PgHost `
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-p $PgPort `
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-U $Username `
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-d $Database `
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-v ON_ERROR_STOP=1 `
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-f $sqlPath
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if ($LASTEXITCODE -ne 0) {
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throw "psql a echoue (exit $LASTEXITCODE) sur 003_diagnostics_roles.sql."
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}
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Write-Host ''
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Write-Host "Durcissement applique (idempotent)." -ForegroundColor Green
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Write-Host "Roles : omika_diagnostics_owner (NOLOGIN), omika_diagnostics_worker, omika_diagnostics_web."
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Write-Host "Worker : INSERT diagnostic_event + USAGE sequence. Web : SELECT diagnostic_event."
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Write-Host ''
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Write-Host "ETAPES MANUELLES SUIVANTES (jamais automatisees ici) :" -ForegroundColor Yellow
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Write-Host " 1. Definir les mots de passe (psql connecte comme administrateur PostgreSQL) :"
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Write-Host " \password omika_diagnostics_worker"
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Write-Host " \password omika_diagnostics_web"
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Write-Host " (jamais dans un script, un log, une commande en clair, ni PowerShell history)."
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Write-Host " 2. Pointer Worker : Username=omika_diagnostics_worker ; Web : Username=omika_diagnostics_web"
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Write-Host " (ConnectionStrings__DiagnosticsDatabase, secret injecte SUR LE SERVEUR uniquement)."
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Write-Host " 3. Valider Worker (INSERT) et Web (SELECT)."
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Write-Host " 4. SEULEMENT APRES validation : desactiver l'ancien role (action administrateur explicite) :"
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Write-Host " ALTER ROLE omika_diagnostics_app NOLOGIN;"
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}
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finally {
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if (-not $useExistingPgPassword) {
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Remove-Item Env:PGPASSWORD -ErrorAction SilentlyContinue
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}
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}
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