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cloudflare
| Author | SHA1 | Date | |
|---|---|---|---|
|
7edac00cb6 |
184
superset/templates/cloudflare_error.html
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184
superset/templates/cloudflare_error.html
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@@ -0,0 +1,184 @@
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{# Custom Cloudflare error page template with inlined CSS #}
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<!DOCTYPE html>
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<!--[if lt IE 7]> <html class="no-js ie6 oldie" lang="en-US"> <![endif]-->
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<!--[if IE 7]> <html class="no-js ie7 oldie" lang="en-US"> <![endif]-->
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<!--[if IE 8]> <html class="no-js ie8 oldie" lang="en-US"> <![endif]-->
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<!--[if gt IE 8]><!--> <html class="no-js" lang="en-US"> <!--<![endif]-->
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<head>
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{% set error_code = params.error_code or 500 %}
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{% set title = params.title or 'Internal server error' %}
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{% set html_title = params.html_title or ((error_code | string) + ': ' + title) %}
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<title>{{ html_title }}</title>
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<meta charset="UTF-8" />
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=Edge" />
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<meta name="robots" content="noindex, nofollow" />
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<meta name="viewport" content="width=device-width,initial-scale=1" />
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<style>
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*{box-sizing:border-box}
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body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;font-size:15px;line-height:1.6;color:#404040;background:#fff}
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a{color:#2f7bbf;text-decoration:none}
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a:hover{color:#f48120;text-decoration:underline}
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h1,h2,h3,h4,h5{margin:0;font-weight:400}
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p{margin:0 0 1em}
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.cf-wrapper{max-width:960px;margin:0 auto}
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.cf-header{padding:40px 15px 25px}
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.cf-header h1{font-size:56px;font-weight:200;line-height:1.2;color:#222}
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.cf-header h1 span{display:inline-block}
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.cf-code-label{font-size:14px;font-weight:600;background:#f0f0f0;color:#666;padding:3px 10px;border-radius:3px;margin-left:15px;vertical-align:middle}
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.cf-header-meta{margin-top:12px;font-size:14px;color:#666}
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.cf-status-section{background:linear-gradient(90deg,#f7f7f7 0%,#fff 50%,#f7f7f7 100%);padding:30px 0}
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.cf-status-row{display:flex;align-items:center;justify-content:center;max-width:720px;margin:0 auto;padding:0 15px}
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.cf-status-item{flex:1;text-align:center;padding:20px 10px}
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.cf-status-icon{position:relative;width:90px;height:90px;margin:0 auto 12px}
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.cf-status-badge{position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:28px;height:28px;border-radius:50%;border:3px solid #fff;box-shadow:0 1px 3px rgba(0,0,0,.15)}
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.cf-status-badge.ok{background:#9bca3e}
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.cf-status-badge.error{background:#cf3a32}
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.cf-status-badge svg{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:14px;height:14px}
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.cf-status-label{font-size:13px;color:#888;margin-bottom:2px}
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.cf-status-name{font-size:22px;color:#666;font-weight:300}
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.cf-status-text{font-size:18px;font-weight:500;margin-top:2px}
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.cf-status-text.ok{color:#9bca3e}
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.cf-status-text.error{color:#cf3a32}
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.cf-arrow{flex:0 0 60px;height:2px;background:#ccc;position:relative;margin:0 -5px;margin-top:-30px}
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.cf-arrow:after{content:'';position:absolute;right:-1px;top:-5px;width:0;height:0;border:6px solid transparent;border-left-color:#ccc}
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.cf-arrow.error{background:#cf3a32}
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.cf-arrow.error:after{border-left-color:#cf3a32}
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.cf-content{padding:35px 15px;max-width:960px;margin:0 auto}
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.cf-content-row{display:flex;flex-wrap:wrap;gap:40px}
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.cf-content-col{flex:1;min-width:280px}
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.cf-content-col h2{font-size:26px;margin-bottom:12px;color:#333}
|
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.cf-content-col h5{font-size:15px;font-weight:600;margin:16px 0 6px;color:#333}
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.cf-content-col p{color:#555;line-height:1.7}
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.cf-footer{padding:18px 15px;border-top:1px solid #eee;font-size:13px;color:#777;text-align:center}
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.cf-footer-item{margin:0 8px}
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.cf-footer button{background:none;border:none;color:#2f7bbf;cursor:pointer;font-size:13px;padding:0}
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.cf-footer button:hover{text-decoration:underline}
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.cf-icon-browser{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 90 90'%3E%3Crect x='8' y='15' width='74' height='55' rx='4' fill='%23f1f1f1' stroke='%23ddd' stroke-width='2'/%3E%3Crect x='8' y='15' width='74' height='14' rx='4' fill='%23ddd'/%3E%3Ccircle cx='20' cy='22' r='4' fill='%23ff6058'/%3E%3Ccircle cx='32' cy='22' r='4' fill='%23ffc130'/%3E%3Ccircle cx='44' cy='22' r='4' fill='%2327ca40'/%3E%3Crect x='18' y='38' width='54' height='6' rx='2' fill='%23ddd'/%3E%3Crect x='18' y='50' width='40' height='6' rx='2' fill='%23e8e8e8'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;background-position:center;width:90px;height:90px}
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.cf-icon-cloud{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 90 70'%3E%3Cpath d='M72.5 55H20c-8.3 0-15-6.7-15-15 0-7.4 5.4-13.6 12.4-14.8C18.8 15.2 27.6 8 38 8c9.5 0 17.6 5.9 20.9 14.2 1.4-.3 2.9-.5 4.4-.5 9.7 0 17.6 7.6 18.2 17.1C87.2 40.5 92 46.5 92 53.5c0 8.6-6.9 15.5-15.5 15.5h-4z' fill='%23f6821f'/%3E%3Cpath d='M60.8 55H25.5C18.6 55 13 49.4 13 42.5c0-6.2 4.5-11.3 10.4-12.3C24.5 22.4 31.4 17 39.5 17c7.4 0 13.7 4.6 16.3 11.1 1.1-.2 2.2-.4 3.4-.4 7.5 0 13.7 5.9 14.2 13.3C78 42.3 82 47.2 82 53c0 6.6-5.4 12-12 12h-9.2z' fill='%23faad3f'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;background-position:center;width:90px;height:70px;margin-top:10px}
|
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.cf-icon-server{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 70 90'%3E%3Crect x='5' y='8' width='60' height='22' rx='3' fill='%23f1f1f1' stroke='%23ddd' stroke-width='2'/%3E%3Crect x='5' y='34' width='60' height='22' rx='3' fill='%23f1f1f1' stroke='%23ddd' stroke-width='2'/%3E%3Crect x='5' y='60' width='60' height='22' rx='3' fill='%23f1f1f1' stroke='%23ddd' stroke-width='2'/%3E%3Ccircle cx='18' cy='19' r='5' fill='%2327ca40'/%3E%3Ccircle cx='18' cy='45' r='5' fill='%2327ca40'/%3E%3Ccircle cx='18' cy='71' r='5' fill='%2327ca40'/%3E%3Crect x='30' y='16' width='25' height='6' rx='2' fill='%23ddd'/%3E%3Crect x='30' y='42' width='25' height='6' rx='2' fill='%23ddd'/%3E%3Crect x='30' y='68' width='25' height='6' rx='2' fill='%23ddd'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;background-position:center;width:70px;height:90px}
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@media (max-width:720px){
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.cf-header h1{font-size:36px}
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.cf-code-label{display:block;margin:10px 0 0;width:fit-content}
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.cf-status-row{flex-direction:column}
|
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.cf-status-item{padding:15px 10px}
|
||||
.cf-arrow{display:none}
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.cf-content-row{flex-direction:column}
|
||||
}
|
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</style>
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</head>
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<body>
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<div class="cf-wrapper">
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<div class="cf-header">
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<h1>
|
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<span>{{ title }}</span>
|
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<span class="cf-code-label">Error code {{ error_code }}</span>
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</h1>
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<div class="cf-header-meta">
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Visit <a href="https://www.cloudflare.com/" target="_blank" rel="noopener noreferrer">cloudflare.com</a> for more information.
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</div>
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<div class="cf-header-meta">{{ params.time }}</div>
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</div>
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</div>
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{% set browser_status = params.browser_status.status or 'ok' %}
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{% set cloudflare_status = params.cloudflare_status.status or 'ok' %}
|
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{% set host_status = params.host_status.status or 'ok' %}
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||||
|
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<div class="cf-status-section">
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<div class="cf-status-row">
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<div class="cf-status-item">
|
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<div class="cf-status-icon">
|
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<div class="cf-icon-browser"></div>
|
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<div class="cf-status-badge {{ browser_status }}">
|
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{% if browser_status == 'ok' %}
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<svg viewBox="0 0 14 14" fill="none"><path d="M3 7l3 3 5-6" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
|
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{% else %}
|
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<svg viewBox="0 0 14 14" fill="none"><path d="M3 3l8 8M11 3l-8 8" stroke="#fff" stroke-width="2" stroke-linecap="round"/></svg>
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{% endif %}
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</div>
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</div>
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<div class="cf-status-label">You</div>
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<div class="cf-status-name">Browser</div>
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<div class="cf-status-text {{ browser_status }}">{{ params.browser_status.status_text or ('Working' if browser_status == 'ok' else 'Error') }}</div>
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</div>
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|
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<div class="cf-arrow {{ 'error' if browser_status != 'ok' else '' }}"></div>
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|
||||
<div class="cf-status-item">
|
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<div class="cf-status-icon">
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<div class="cf-icon-cloud"></div>
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<div class="cf-status-badge {{ cloudflare_status }}">
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{% if cloudflare_status == 'ok' %}
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<svg viewBox="0 0 14 14" fill="none"><path d="M3 7l3 3 5-6" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
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||||
{% else %}
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||||
<svg viewBox="0 0 14 14" fill="none"><path d="M3 3l8 8M11 3l-8 8" stroke="#fff" stroke-width="2" stroke-linecap="round"/></svg>
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{% endif %}
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</div>
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||||
</div>
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<div class="cf-status-label">{{ params.cloudflare_status.location or 'San Francisco' }}</div>
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<div class="cf-status-name">Cloudflare</div>
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<div class="cf-status-text {{ cloudflare_status }}">{{ params.cloudflare_status.status_text or ('Working' if cloudflare_status == 'ok' else 'Error') }}</div>
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</div>
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<div class="cf-arrow {{ 'error' if host_status != 'ok' else '' }}"></div>
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|
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<div class="cf-status-item">
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<div class="cf-status-icon">
|
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<div class="cf-icon-server"></div>
|
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<div class="cf-status-badge {{ host_status }}">
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{% if host_status == 'ok' %}
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<svg viewBox="0 0 14 14" fill="none"><path d="M3 7l3 3 5-6" stroke="#fff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/></svg>
|
||||
{% else %}
|
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<svg viewBox="0 0 14 14" fill="none"><path d="M3 3l8 8M11 3l-8 8" stroke="#fff" stroke-width="2" stroke-linecap="round"/></svg>
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{% endif %}
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</div>
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</div>
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<div class="cf-status-label">{{ params.host_status.location or 'superset.io' }}</div>
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<div class="cf-status-name">Host</div>
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<div class="cf-status-text {{ host_status }}">{{ params.host_status.status_text or ('Working' if host_status == 'ok' else 'Error') }}</div>
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</div>
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</div>
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</div>
|
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|
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<div class="cf-content">
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<div class="cf-content-row">
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<div class="cf-content-col">
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<h2>What happened?</h2>
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{{ params.what_happened | safe }}
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</div>
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<div class="cf-content-col">
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<h2>What can I do?</h2>
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{{ params.what_can_i_do | safe }}
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</div>
|
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</div>
|
||||
</div>
|
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|
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<div class="cf-wrapper">
|
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<div class="cf-footer">
|
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<span class="cf-footer-item">Cloudflare Ray ID: <strong>{{ params.ray_id }}</strong></span>
|
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•
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<span class="cf-footer-item" id="cf-footer-item-ip">Your IP: <button type="button" id="cf-footer-ip-reveal">Click to reveal</button><span id="cf-footer-ip" class="hidden">{{ params.client_ip }}</span></span>
|
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•
|
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{% if params.perf_sec_by %}
|
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<span class="cf-footer-item">{{ params.perf_sec_by.text or 'Performance & security by' }} <a href="{{ params.perf_sec_by.link_url or 'https://www.cloudflare.com/' }}" target="_blank" rel="noopener noreferrer">{{ params.perf_sec_by.link_text or 'Cloudflare' }}</a></span>
|
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{% else %}
|
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<span class="cf-footer-item">Performance & security by <a href="https://www.cloudflare.com/5xx-error-landing" target="_blank" rel="noopener noreferrer">Cloudflare</a></span>
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{% endif %}
|
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</div>
|
||||
</div>
|
||||
<script>
|
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(function(){
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var btn = document.getElementById('cf-footer-ip-reveal');
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var ip = document.getElementById('cf-footer-ip');
|
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if (btn && ip) {
|
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btn.addEventListener('click', function() {
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btn.style.display = 'none';
|
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ip.style.display = 'inline';
|
||||
});
|
||||
}
|
||||
})();
|
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</script>
|
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<style>.hidden{display:none}</style>
|
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</body>
|
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</html>
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@@ -19,17 +19,17 @@ from __future__ import annotations
|
||||
import dataclasses
|
||||
import functools
|
||||
import logging
|
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import secrets
|
||||
import typing
|
||||
from importlib.resources import files
|
||||
from typing import Any, Callable, cast
|
||||
|
||||
from flask import (
|
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Flask,
|
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request,
|
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Response,
|
||||
send_file,
|
||||
)
|
||||
from flask_wtf.csrf import CSRFError
|
||||
from jinja2 import Environment, PackageLoader
|
||||
from sqlalchemy import exc
|
||||
from werkzeug.exceptions import HTTPException
|
||||
|
||||
@@ -54,6 +54,127 @@ logger = logging.getLogger(__name__)
|
||||
|
||||
JSON_MIMETYPE = "application/json; charset=utf-8"
|
||||
|
||||
# Set up Jinja2 environment for Cloudflare error template
|
||||
_cf_env = Environment(
|
||||
loader=PackageLoader("superset", "templates"),
|
||||
autoescape=True,
|
||||
)
|
||||
_cf_template = _cf_env.get_template("cloudflare_error.html")
|
||||
|
||||
# Error code to title mapping for Cloudflare-style error pages
|
||||
CLOUDFLARE_ERROR_TITLES: dict[int, str] = {
|
||||
400: "Bad Request",
|
||||
401: "Access Denied",
|
||||
403: "Access Denied",
|
||||
404: "Web page is not found",
|
||||
405: "Method Not Allowed",
|
||||
408: "Request Timeout",
|
||||
429: "Too Many Requests",
|
||||
500: "Internal Server Error",
|
||||
502: "Bad Gateway",
|
||||
503: "Service Temporarily Unavailable",
|
||||
504: "Gateway Timeout",
|
||||
}
|
||||
|
||||
# What happened descriptions for each error code
|
||||
CLOUDFLARE_WHAT_HAPPENED: dict[int, str] = {
|
||||
400: """The server could not understand your request due to invalid syntax.
|
||||
Please check your request and try again.""",
|
||||
401: """This page requires authentication. You need to log in to access
|
||||
this resource.""",
|
||||
403: """You don't have permission to access this resource. The owner of
|
||||
this website has banned your access based on your credentials.""",
|
||||
404: """The page you requested could not be found. It may have been moved,
|
||||
deleted, or never existed in the first place.""",
|
||||
405: """The request method is not supported for the requested resource.""",
|
||||
408: """The server timed out waiting for your request. Please try again.""",
|
||||
429: """You've made too many requests in a short period of time.
|
||||
Please slow down and try again later.""",
|
||||
500: """There is an unknown connection issue between Superset and the
|
||||
origin web server. As a result, the web page can not be displayed.""",
|
||||
502: """Superset was unable to get a valid response from the upstream server.""",
|
||||
503: """The server is temporarily unable to handle your request due to
|
||||
maintenance or capacity problems. Please try again later.""",
|
||||
504: """Superset was unable to get a response from the upstream server
|
||||
in time.""",
|
||||
}
|
||||
|
||||
|
||||
def render_cloudflare_error_page(
|
||||
error_code: int,
|
||||
error_message: str | None = None,
|
||||
) -> str:
|
||||
"""
|
||||
Render a Cloudflare-style error page for the given error code.
|
||||
|
||||
Args:
|
||||
error_code: HTTP status code
|
||||
error_message: Optional custom error message to display
|
||||
|
||||
Returns:
|
||||
Rendered HTML string for the error page
|
||||
"""
|
||||
from datetime import datetime, timezone
|
||||
|
||||
# Generate ray ID and get client IP
|
||||
ray_id = request.headers.get("Cf-Ray", secrets.token_hex(8))[:16]
|
||||
client_ip = request.headers.get("X-Forwarded-For", request.remote_addr or "Unknown")
|
||||
utc_now = datetime.now(timezone.utc)
|
||||
time_str = utc_now.strftime("%Y-%m-%d %H:%M:%S UTC")
|
||||
|
||||
title = CLOUDFLARE_ERROR_TITLES.get(error_code, "Error")
|
||||
what_happened = error_message or CLOUDFLARE_WHAT_HAPPENED.get(
|
||||
error_code,
|
||||
"An unexpected error occurred while processing your request.",
|
||||
)
|
||||
|
||||
# Determine status indicators based on error type
|
||||
host = request.host or "superset.io"
|
||||
if error_code >= 500:
|
||||
# Server errors: browser and Cloudflare OK, host has issue
|
||||
browser_status = {"status": "ok"}
|
||||
cloudflare_status = {"status": "ok", "location": "San Francisco"}
|
||||
host_status = {"status": "error", "location": host}
|
||||
elif error_code in (401, 403):
|
||||
# Auth errors: browser has issue (needs auth)
|
||||
browser_status = {"status": "error"}
|
||||
cloudflare_status = {"status": "ok", "location": "San Francisco"}
|
||||
host_status = {"status": "ok", "location": host}
|
||||
else:
|
||||
# Client errors (404, etc): browser has issue
|
||||
browser_status = {"status": "error"}
|
||||
cloudflare_status = {"status": "ok", "location": "San Francisco"}
|
||||
host_status = {"status": "ok", "location": host}
|
||||
|
||||
params = {
|
||||
"html_title": f"superset.io | {error_code}: {title}",
|
||||
"title": title,
|
||||
"error_code": error_code,
|
||||
"time": time_str,
|
||||
"ray_id": ray_id,
|
||||
"client_ip": client_ip,
|
||||
"browser_status": browser_status,
|
||||
"cloudflare_status": cloudflare_status,
|
||||
"host_status": host_status,
|
||||
"what_happened": f"<p>{what_happened}</p>",
|
||||
"what_can_i_do": """
|
||||
<h5>If you are a visitor of this website:</h5>
|
||||
<p>Please try again in a few minutes. If you continue to see this
|
||||
error, you can contact the site administrator.</p>
|
||||
<h5>If you are the owner of this website:</h5>
|
||||
<p>Check your Superset logs for more information about this error.
|
||||
You may need to restart the service or check your database
|
||||
connections.</p>
|
||||
""",
|
||||
"perf_sec_by": {
|
||||
"text": "Performance & security by",
|
||||
"link_text": "Apache Superset",
|
||||
"link_url": "https://superset.apache.org",
|
||||
},
|
||||
}
|
||||
|
||||
return _cf_template.render(params=params)
|
||||
|
||||
|
||||
def get_error_level_from_status(
|
||||
status_code: int,
|
||||
@@ -157,18 +278,16 @@ def set_app_error_handlers(app: Flask) -> None: # noqa: C901
|
||||
@app.errorhandler(HTTPException)
|
||||
def show_http_exception(ex: HTTPException) -> FlaskResponse:
|
||||
logger.warning("HTTPException", exc_info=True)
|
||||
error_code = ex.code or 500
|
||||
|
||||
if (
|
||||
"text/html" in request.accept_mimetypes
|
||||
and not app.config["DEBUG"]
|
||||
and ex.code in {404, 500}
|
||||
):
|
||||
path = files("superset") / f"static/assets/{ex.code}.html"
|
||||
# Try to serve HTML file; fall back to JSON if not built
|
||||
try:
|
||||
return send_file(path, max_age=0), ex.code
|
||||
except FileNotFoundError:
|
||||
pass
|
||||
if "text/html" in request.accept_mimetypes:
|
||||
return Response(
|
||||
render_cloudflare_error_page(
|
||||
error_code, utils.error_msg_from_exception(ex)
|
||||
),
|
||||
status=error_code,
|
||||
mimetype="text/html",
|
||||
)
|
||||
|
||||
return json_error_response(
|
||||
[
|
||||
@@ -178,7 +297,7 @@ def set_app_error_handlers(app: Flask) -> None: # noqa: C901
|
||||
level=ErrorLevel.ERROR,
|
||||
),
|
||||
],
|
||||
status=ex.code or 500,
|
||||
status=error_code,
|
||||
)
|
||||
|
||||
@app.errorhandler(CommandException)
|
||||
@@ -190,13 +309,12 @@ def set_app_error_handlers(app: Flask) -> None: # noqa: C901
|
||||
"""
|
||||
logger.warning("CommandException", exc_info=True)
|
||||
|
||||
if "text/html" in request.accept_mimetypes and not app.config["DEBUG"]:
|
||||
path = files("superset") / "static/assets/500.html"
|
||||
# Try to serve HTML file; fall back to JSON if not built
|
||||
try:
|
||||
return send_file(path, max_age=0), 500
|
||||
except FileNotFoundError:
|
||||
pass
|
||||
if "text/html" in request.accept_mimetypes:
|
||||
return Response(
|
||||
render_cloudflare_error_page(ex.status, ex.message),
|
||||
status=ex.status,
|
||||
mimetype="text/html",
|
||||
)
|
||||
|
||||
extra = ex.normalized_messages() if isinstance(ex, CommandInvalidError) else {}
|
||||
return json_error_response(
|
||||
@@ -218,9 +336,12 @@ def set_app_error_handlers(app: Flask) -> None: # noqa: C901
|
||||
logger.warning("Exception", exc_info=True)
|
||||
logger.exception(ex)
|
||||
|
||||
if "text/html" in request.accept_mimetypes and not app.config["DEBUG"]:
|
||||
path = files("superset") / "static/assets/500.html"
|
||||
return send_file(path, max_age=0), 500
|
||||
if "text/html" in request.accept_mimetypes:
|
||||
return Response(
|
||||
render_cloudflare_error_page(500, utils.error_msg_from_exception(ex)),
|
||||
status=500,
|
||||
mimetype="text/html",
|
||||
)
|
||||
|
||||
return json_error_response(
|
||||
[
|
||||
|
||||
Reference in New Issue
Block a user