spamd-client
v1.0.1
Published
NodeJS client for connecting to spamd/spamc server
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Readme
SpamD Network Client
This library is NodeJS driver for Spamassassin spamd protocol built over TCP. Allow check emails via Spamassassin from NodeJS.
Implemented protocol methods
- [X] CHECK
- [X] HEADERS
- [X] PROCESS
- [X] REPORT
- [X] REPORT_IFSPAM
- [X] SYMBOLS
- [ ] TELL
- [ ] PING
API Documentation
Api built for convenient usage in point-free style. Using native Promises.
TOC
Connection
Connection.of
Function Connection.of(options: SpamdClientOptions): () => Promise<Connection>
Factory for creating connection by given schema.
Parameters:
| Name | Type | | ------ | ------ | | options | SpamdClientOptions |
SpamdClientOptions
{
host: string
port: number
}Returns: () => Promise<Connection>
Example:
import { Connection, Action } from 'spamd-client'
const connect = Connection.of({ host: 'example.com', port: 2233 })
connect()
.then(Action.check('<your_email_body>'))
.then(console.log) // EX: { isSpam: true, score: -0.8, threshold: 5 }
.catch(console.error) // EX: Error: Cannot connectActions
Action.check
Function Action.check(email: string): (connection: Connection) => Promise<CheckResult>
Instruct SpamAssassin to process the included message.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<CheckResult>
CheckResult
{
isSpam: boolean
score: number
threshold: number
}Action.headers
Function Action.headers(email: string): (connection: Connection) => Promise<HeadersResult>
Instruct SpamAssassin to process the included message.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<HeadersResult>
HeadersResult
{
spamReport: {
isSpam: boolean
score: number
threshold: number
},
body: string
}Example
{
spamReport: {
isSpam: true,
score: -0.9,
threshold: 5,
},
body: `
Received: from localhost by debian
with SpamAssassin (version 3.4.0);
Tue, 10 Jan 2017 11:09:26 -0500
From: Sender <[email protected]>
To: Recipient <[email protected]>
Subject: Test spam mail (GTUBE)
Date: Wed, 23 Jul 2003 23:30:00 +0200
Message-Id: <[email protected]>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on debian
X-Spam-Flag: YES
X-Spam-Level: **************************************************
X-Spam-Status: Yes, score=1000.0 required=5.0 tests=GTUBE,NO_RECEIVED,
NO_RELAYS autolearn=no autolearn_force=no version=3.4.0
MIME-Version: 1.0Content-Type: multipart/mixed; boundary="----------=_58750736.8D9F70BC"
`
}Action.process
Function Action.process(email: string): (connection: Connection) => Promise<ProcessResult>
Instruct SpamAssassin to process the message and return the modified message.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<ProcessReport>
ProcessResult
{
spamReport: {
isSpam: boolean
score: number
threshold: number
},
body: string
}Example
{
spamReport: {
isSpam: true,
score: -0.9,
threshold: 5,
},
body: `
Received: from localhost by debian
with SpamAssassin (version 3.4.0);
Tue, 10 Jan 2017 10:57:02 -0500
From: Sender <[email protected]>
To: Recipient <[email protected]>
Subject: Test spam mail (GTUBE)
Date: Wed, 23 Jul 2003 23:30:00 +0200
Message-Id: <[email protected]>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on debian
X-Spam-Flag: YES
X-Spam-Level: **************************************************
X-Spam-Status: Yes, score=1000.0 required=5.0 tests=GTUBE,NO_RECEIVED,
NO_RELAYS autolearn=no autolearn_force=no version=3.4.0
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----------=_5875044E.D4EFFFD7"
This is a multi-part message in MIME format.
------------=_5875044E.D4EFFFD7
Content-Type: text/plain; charset=iso-8859-1
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
Spam detection software, running on the system "debian",
has identified this incoming email as possible spam. The original
message has been attached to this so you can view it or label
similar future email. If you have any questions, see
@@CONTACT_ADDRESS@@ for details.
Content preview: This is the GTUBE, the Generic Test for Unsolicited Bulk Email
If your spam filter supports it, the GTUBE provides a test by which you can
verify that the filter is installed correctly and is detecting incoming spam.
You can send yourself a test mail containing the following string of characters
(in upper case and with no white spaces and line breaks): [...]
Content analysis details: (1000.0 points, 5.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
1000 GTUBE BODY: Generic Test for Unsolicited Bulk Email
-0.0 NO_RELAYS Informational: message was not relayed via SMTP
-0.0 NO_RECEIVED Informational: message has no Received headers
------------=_5875044E.D4EFFFD7
Content-Type: message/rfc822; x-spam-type=original
Content-Description: original message before SpamAssassin
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
Subject: Test spam mail (GTUBE)
Message-ID: <[email protected]>
Date: Wed, 23 Jul 2003 23:30:00 +0200
From: Sender <[email protected]>
To: Recipient <[email protected]>
Precedence: junk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
This is the GTUBE, the
Generic
Test for
Unsolicited
Bulk
Email
If your spam filter supports it, the GTUBE provides a test by which you
can verify that the filter is installed correctly and is detecting incoming
spam. You can send yourself a test mail containing the following string of
characters (in upper case and with no white spaces and line breaks):
XJS*C4JDBQADN1.NSBN3*2IDNEN*GTUBE-STANDARD-ANTI-UBE-TEST-EMAIL*C.34X
You should send this test mail from an account outside of your network.
------------=_5875044E.D4EFFFD7--
`
}Action.report
Function Action.report(email: string): (connection: Connection) => Promise<ReportResult>
Send a request to process a message and return a report.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<ReportResult>
ReportResult
{
spamReport: {
isSpam: boolean
score: number
threshold: number
},
body: string
}Example
{
spamReport: {
isSpam: true,
score: -0.9,
threshold: 5,
},
body: `
Spam detection software, running on the system "debian",
has identified this incoming email as possible spam. The original
message has been attached to this so you can view it or label
similar future email. If you have any questions, see
@@CONTACT_ADDRESS@@ for details.
Content preview: This is the GTUBE, the Generic Test for Unsolicited Bulk Email
If your spam filter supports it, the GTUBE provides a test by which you can
verify that the filter is installed correctly and is detecting incoming spam.
You can send yourself a test mail containing the following string of characters
(in upper case and with no white spaces and line breaks): [...]
Content analysis details: (1000.0 points, 5.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
1000 GTUBE BODY: Generic Test for Unsolicited Bulk Email
-0.0 NO_RELAYS Informational: message was not relayed via SMTP
-0.0 NO_RECEIVED Informational: message has no Received headers
`
}Action.reportIfSpam
Function Action.reportIfSpam(email: string): (connection: Connection) => Promise<ReportIfSpamResult>
Send a request to process a message and return a report only if spam detected.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<ReportIfSpamResult>
ReportIfSpamResult
{
spamReport: {
isSpam: boolean
score: number
threshold: number
},
body: string
}Example
Produce the same that report action described above.
Action.symbols
Function Action.symbols(email: string): (connection: Connection) => Promise<SymbolsResult>
Send a request to process a message and return a report.
Parameters:
| Name | Type | Description |
| ------ | ------ | ------ |
| email | string | An email based on the RFC 5322 standard. |
Returns: (connection: Connection) => Promise<SymbolsResult>
SymbolsResult
{
spamReport: {
isSpam: boolean
score: number
threshold: number
},
body: string
}Example
{
spamReport: {
isSpam: true,
score: -0.9,
threshold: 5,
},
body: [
'GTUBE',
'NO_RECEIVED',
'NO_RELAYS'
]
}License
The MIT License (MIT)
Copyright (c) 2018
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.