205 lines
8.4 KiB
PHP
205 lines
8.4 KiB
PHP
<?php
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/**
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* V176 · ambre-tool-image.php · Upgraded with quality cascade
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* Yacine: "IMAGE POURRI MET A LOUVER QWEN IMAGE POUR AMELOIRER"
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*
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* Cascade (order by QUALITY):
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* 1. Gemini 3 Pro Image Preview (best quality, free tier via GEMINI_KEY) - PRIMARY
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* 2. Qwen-Image via DashScope (requires ALIBABA_KEY with credits)
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* 3. Pollinations flux (free, 1024x1024)
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* 4. Pollinations sana (free, 768x768 fast fallback)
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*
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* Keep backward compat: same response schema as before
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*/
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header("Content-Type: application/json; charset=utf-8");
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set_time_limit(90);
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$raw = file_get_contents("php://input");
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$in = json_decode($raw, true) ?: $_POST ?: $_GET;
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$prompt = trim($in["prompt"] ?? $in["q"] ?? "");
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if (!$prompt) { echo json_encode(["error"=>"prompt required"]); exit; }
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// Clean prompt (keep unicode)
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$clean = preg_replace('/[^\p{L}\p{N}\s,.\-!?]/u', '', $prompt);
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$clean = mb_substr(trim($clean), 0, 400);
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// Load secrets
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$secrets = [];
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foreach (file("/etc/weval/secrets.env") ?: [] as $line) {
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$line = trim($line);
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if (!$line || $line[0] === "#" || strpos($line, "=") === false) continue;
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list($k, $v) = explode("=", $line, 2);
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$secrets[trim($k)] = trim($v, " \"'");
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}
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$GEMINI_KEY = $secrets["GEMINI_KEY"] ?? "";
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$ALIBABA_KEY = $secrets["ALIBABA_KEY"] ?? "";
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// File naming (shared across cascade)
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$dir = "/var/www/html/generated";
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if (!is_dir($dir)) @mkdir($dir, 0755, true);
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$slug = preg_replace('/[^a-z0-9]+/', '-', strtolower($clean));
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$slug = substr(trim($slug, "-"), 0, 50);
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$ts = date("Ymd-His");
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$rand = bin2hex(random_bytes(3));
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$t0 = microtime(true);
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$result = null;
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// ========== TIER 1: Gemini 3 Pro Image Preview (best quality, free) ==========
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if ($GEMINI_KEY) {
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$gurl = "https://generativelanguage.googleapis.com/v1beta/models/gemini-3-pro-image-preview:generateContent?key=" . $GEMINI_KEY;
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$body = json_encode([
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"contents" => [["parts" => [["text" => $clean]]]],
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"generationConfig" => ["responseModalities" => ["IMAGE", "TEXT"]],
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]);
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$ctx = stream_context_create([
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"http" => [
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"method" => "POST",
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"header" => "Content-Type: application/json\r\n",
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"content" => $body,
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"timeout" => 60,
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"ignore_errors" => true,
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],
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]);
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$resp = @file_get_contents($gurl, false, $ctx);
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if ($resp) {
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$d = @json_decode($resp, true);
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if (isset($d["candidates"][0]["content"]["parts"])) {
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foreach ($d["candidates"][0]["content"]["parts"] as $p) {
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if (isset($p["inlineData"]["data"])) {
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$mime = $p["inlineData"]["mimeType"] ?? "image/jpeg";
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$ext = strpos($mime, "png") !== false ? "png" : "jpg";
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$filename = "wevia-img-gemini-{$slug}-{$ts}-{$rand}.{$ext}";
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$path = "$dir/$filename";
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$img = base64_decode($p["inlineData"]["data"]);
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if ($img && strlen($img) > 5000) {
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file_put_contents($path, $img);
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$result = [
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"success" => true,
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"prompt" => $clean,
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"url" => "https://weval-consulting.com/generated/$filename",
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"size_kb" => round(strlen($img)/1024, 1),
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"elapsed_ms" => round((microtime(true)-$t0)*1000),
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"provider" => "Gemini 3 Pro Image Preview",
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"quality" => "premium",
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"engine" => "gemini-3-pro",
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];
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}
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break;
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}
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}
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}
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}
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}
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// ========== TIER 2: Qwen-Image via DashScope (if Gemini failed + ALIBABA_KEY) ==========
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if (!$result && $ALIBABA_KEY) {
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// Create async task
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$submit_ctx = stream_context_create([
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"http" => [
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"method" => "POST",
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"header" => "Authorization: Bearer $ALIBABA_KEY\r\nContent-Type: application/json\r\nX-DashScope-Async: enable\r\n",
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"content" => json_encode([
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"model" => "qwen-image",
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"input" => ["prompt" => $clean],
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"parameters" => ["size" => "1024*1024", "n" => 1],
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]),
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"timeout" => 15,
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"ignore_errors" => true,
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],
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]);
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$submit_resp = @file_get_contents("https://dashscope-intl.aliyuncs.com/api/v1/services/aigc/text2image/image-synthesis", false, $submit_ctx);
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$submit_d = @json_decode($submit_resp, true);
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$task_id = $submit_d["output"]["task_id"] ?? "";
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if ($task_id) {
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// Poll
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for ($i = 0; $i < 20; $i++) {
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sleep(2);
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$pctx = stream_context_create(["http"=>["header"=>"Authorization: Bearer $ALIBABA_KEY\r\n","timeout"=>10]]);
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$pr = @file_get_contents("https://dashscope-intl.aliyuncs.com/api/v1/tasks/$task_id", false, $pctx);
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$pd = @json_decode($pr, true);
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$status = $pd["output"]["task_status"] ?? "";
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if ($status === "SUCCEEDED") {
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$img_url = $pd["output"]["results"][0]["url"] ?? "";
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if ($img_url) {
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$img = @file_get_contents($img_url);
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if ($img && strlen($img) > 5000) {
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$filename = "wevia-img-qwen-{$slug}-{$ts}-{$rand}.png";
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$path = "$dir/$filename";
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file_put_contents($path, $img);
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$result = [
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"success" => true,
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"prompt" => $clean,
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"url" => "https://weval-consulting.com/generated/$filename",
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"size_kb" => round(strlen($img)/1024, 1),
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"elapsed_ms" => round((microtime(true)-$t0)*1000),
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"provider" => "Qwen-Image (Alibaba DashScope)",
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"quality" => "premium",
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"engine" => "qwen-image",
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];
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}
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}
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break;
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}
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if ($status === "FAILED" || $status === "UNKNOWN") break;
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}
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}
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}
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// ========== TIER 3: Pollinations flux (free 1024x1024) ==========
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if (!$result) {
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$seed = rand(1, 99999);
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$encoded = urlencode($clean);
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// Try with flux model hint (even though list shows only sana, try anyway)
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$flux_url = "https://image.pollinations.ai/prompt/$encoded?width=1024&height=1024&seed=$seed&nologo=true&enhance=true&model=flux";
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$ctx2 = stream_context_create(["http"=>["timeout"=>30,"header"=>"User-Agent: WEVIA/2.0\r\n"]]);
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$img = @file_get_contents($flux_url, false, $ctx2);
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if ($img && strlen($img) > 5000) {
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$filename = "wevia-img-flux-{$slug}-{$ts}-{$rand}.jpg";
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$path = "$dir/$filename";
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file_put_contents($path, $img);
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$result = [
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"success" => true,
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"prompt" => $clean,
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"url" => "https://weval-consulting.com/generated/$filename",
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"size_kb" => round(strlen($img)/1024, 1),
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"elapsed_ms" => round((microtime(true)-$t0)*1000),
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"provider" => "Pollinations flux (fallback)",
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"quality" => "standard",
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"engine" => "pollinations-flux",
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];
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}
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}
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// ========== TIER 4: Pollinations sana (last resort) ==========
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if (!$result) {
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$seed = rand(1, 99999);
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$encoded = urlencode($clean);
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$sana_url = "https://image.pollinations.ai/prompt/$encoded?width=1024&height=1024&seed=$seed&nologo=true&enhance=true";
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$ctx3 = stream_context_create(["http"=>["timeout"=>30,"header"=>"User-Agent: WEVIA/2.0\r\n"]]);
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$img = @file_get_contents($sana_url, false, $ctx3);
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if ($img && strlen($img) > 5000) {
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$filename = "wevia-img-sana-{$slug}-{$ts}-{$rand}.jpg";
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$path = "$dir/$filename";
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file_put_contents($path, $img);
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$result = [
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"success" => true,
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"prompt" => $clean,
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"url" => "https://weval-consulting.com/generated/$filename",
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"size_kb" => round(strlen($img)/1024, 1),
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"elapsed_ms" => round((microtime(true)-$t0)*1000),
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"provider" => "WEVIA Image Engine (sana)",
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"quality" => "basic",
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"engine" => "pollinations-sana",
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];
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}
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}
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if (!$result) {
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echo json_encode(["error"=>"all image providers failed","prompt"=>$clean]);
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exit;
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}
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echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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