/// <summary>
/// Serializes a single NGINX configuration and appends this to the StringBuilder.
/// </summary>
/// <param name="configSection">NGINX configuration section to serialize.</param>
/// <param name="sb">StringBuilder to append the serialized NGINX configuration.</param>
/// <param name="depth">Depth of serialization.</param>
private void SerializeNginxConfig(NginxConfigSection configSection, StringBuilder sb, int depth)
{
var nextDepth = depth + 1;
var indentation = new string('\t', depth);
var nextIndentation = new string('\t', nextDepth);
var sectionHead = indentation +
configSection.Name +
(string.IsNullOrWhiteSpace(configSection.Parameters) ?
string.Empty :
" " + configSection.Parameters);
sb.AppendLine(sectionHead + " {");
foreach (var keyValuePair in configSection.Attributes)
{
if (keyValuePair.Key == "set_encode_base64")
{
sb.AppendLine($"{nextIndentation}{ keyValuePair.Key }{" "}{ keyValuePair.Value };");
}
else
{
var escapedConfigValue = (sectionHead.Equals("server") || sectionHead.Equals("\tserver") || sectionHead.Equals("events") || sectionHead.Equals("http")) ? string.Empty : "\"";
sb.AppendLine($"{nextIndentation}{ keyValuePair.Key } {escapedConfigValue}{ keyValuePair.Value }{escapedConfigValue};");
}
}
foreach (var subsection in configSection.Subsections)
{
SerializeNginxConfig(subsection, sb, nextDepth);
}
sb.AppendLine(indentation + "}");
}
private string CreateEventsSection()
{
var sectionEvents = new NginxConfigSection
{
Name = "events",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("worker_connections", "1024")
}
};
return(SerializeNginxConfigList(new List <NginxConfigSection> {
sectionEvents
}));
}
/// <summary>
/// Generates the NGINX configuration for all given resources and adds standard NGINX server information to the returned configuration.
/// </summary>
/// <param name="resources">List of resources to generate the NGINX proxy configuration from.</param>
/// <returns>NGINX configuration sections for the NGINX servers and all given resources.</returns>
private IList <NginxConfigSection> CreateConfigForResources(IList <ResourceProxyDTO> resources)
{
var sectionHttp = new NginxConfigSection
{
Name = "server",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("listen", "80"),
new NginxAttribute("server_name", string.Concat(_colidDomain, " www.", _colidDomain)),
new NginxAttribute("return", "301 https://$server_name$request_uri"),
}
};
var sectionHttps = new NginxConfigSection
{
Name = "server",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("listen", "443 ssl http2"),
new NginxAttribute("include", "snippets/self-signed.conf"),
new NginxAttribute("include", "snippets/ssl-params.conf"),
new NginxAttribute("server_name", string.Concat(_colidDomain, " www.", _colidDomain)),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Origin' \"*\""),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Credentials' 'true'"),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS'"),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With'"),
},
Subsections = resources != null?GenerateConfigSections(resources) : new List <NginxConfigSection>()
};
sectionHttps.Subsections.Add(new NginxConfigSection
{
Name = "location",
Parameters = "/",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("rewrite ^.*", _dmpFrontEndUrl)
//new NginxAttribute("proxy_pass", colidFrontEndUrl)
//new NginxAttribute("proxy_set_header", "X-Real-IP $remote_addr")
//new NginxAttribute("proxy_set_header", "X-Forwarded-For $proxy_add_x_forwarded_for")
}
});
return(new List <NginxConfigSection> {
sectionHttp, sectionHttps
});
}
private string CreateHttpSection(IList <ResourceProxyDTO> resources)
{
var tmpPath = "/var/cache/nginx/ 1 2";
var configs = GenerateConfigSections(resources);
var sectionHttp = new NginxConfigSection
{
Name = "http",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("client_body_temp_path", tmpPath),
new NginxAttribute("proxy_temp_path", tmpPath),
new NginxAttribute("fastcgi_temp_path", tmpPath),
new NginxAttribute("uwsgi_temp_path", tmpPath),
new NginxAttribute("scgi_temp_path", tmpPath),
new NginxAttribute("proxy_buffering", "off")
},
Subsections = new List <NginxConfigSection>
{
new NginxConfigSection
{
Name = "server",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("server_tokens", "off"),
new NginxAttribute("listen", "8081"),
new NginxAttribute("access_log", "/dev/null"),
new NginxAttribute("error_log", "/dev/null")
},
Subsections = new List <NginxConfigSection> {
new NginxConfigSection
{
Name = "location",
Parameters = "= /",
Attributes = new List <NginxAttribute> {
new NginxAttribute("rewrite ^.*", "https://www.bayer.com/")
}
}
}
},
new NginxConfigSection
{
Name = "server",
Attributes = new List <NginxAttribute>
{
new NginxAttribute("server_tokens", "off"),
new NginxAttribute("listen", "8080"),
new NginxAttribute("root", "/usr/share/nginx/html/"),
new NginxAttribute("index", "index.html index.htm"),
new NginxAttribute("include", "/etc/nginx/mime.types"),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Origin' \"*\""),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Credentials' 'true'"),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS'"),
new NginxAttribute("proxy_set_header", "'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With'"),
},
Subsections = resources != null ? configs : new List <NginxConfigSection>()
}
}
};
return(SerializeNginxConfigList(new List <NginxConfigSection> {
sectionHttp
}));
}
