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Files
mailpit/server/ui-src/components/message/LinkCheck.vue

450 lines
12 KiB
Vue

<script>
import axios from "axios";
import commonMixins from "../../mixins/CommonMixins";
export default {
mixins: [commonMixins],
props: {
message: {
type: Object,
required: true,
},
},
emits: ["setLinkErrors"],
data() {
return {
error: false,
autoScan: false,
followRedirects: false,
check: false,
loaded: false,
loading: false,
};
},
computed: {
groupedStatuses() {
const results = {};
if (!this.check) {
return results;
}
// group by status
this.check.Links.forEach((r) => {
if (!results[r.StatusCode]) {
let css = "";
if (r.StatusCode >= 400 || r.StatusCode === 0) {
css = "text-danger";
} else if (r.StatusCode >= 300) {
css = "text-info";
}
if (r.StatusCode === 0) {
r.Status = "Cannot connect to server";
}
results[r.StatusCode] = {
StatusCode: r.StatusCode,
Status: r.Status,
Class: css,
URLS: [],
};
}
results[r.StatusCode].URLS.push(r.URL);
});
const newArr = [];
for (const i in results) {
newArr.push(results[i]);
}
// sort statuses
const sorted = newArr.sort((a, b) => {
if (a.StatusCode === 0) {
return false;
}
return a.StatusCode < b.StatusCode;
});
return sorted;
},
},
watch: {
autoScan(v) {
if (!this.loaded) {
return;
}
if (v) {
localStorage.setItem("LinkCheckAutoScan", true);
if (!this.check) {
this.doCheck();
}
} else {
localStorage.removeItem("LinkCheckAutoScan");
}
},
followRedirects(v) {
if (!this.loaded) {
return;
}
if (v) {
localStorage.setItem("LinkCheckFollowRedirects", true);
} else {
localStorage.removeItem("LinkCheckFollowRedirects");
}
if (this.check) {
this.doCheck();
}
},
},
created() {
this.autoScan = localStorage.getItem("LinkCheckAutoScan");
this.followRedirects = localStorage.getItem("LinkCheckFollowRedirects");
},
mounted() {
this.loaded = true;
if (this.autoScan) {
this.doCheck();
}
},
methods: {
doCheck() {
this.check = false;
this.loading = true;
let uri = this.resolve("/api/v1/message/" + this.message.ID + "/link-check");
if (this.followRedirects) {
uri += "?follow=true";
}
// ignore any error, do not show loader
axios
.get(uri, null)
.then((result) => {
this.check = result.data;
this.error = false;
this.$emit("setLinkErrors", result.data.Errors);
})
.catch((error) => {
// handle error
if (error.response && error.response.data) {
// The request was made and the server responded with a status code
// that falls out of the range of 2xx
if (error.response.data.Error) {
this.error = error.response.data.Error;
} else {
this.error = error.response.data;
}
} else if (error.request) {
// The request was made but no response was received
// `error.request` is an instance of XMLHttpRequest in the browser and an instance of
// http.ClientRequest in node.js
this.error = "Error sending data to the server. Please try again.";
} else {
// Something happened in setting up the request that triggered an Error
this.error = error.message;
}
})
.then((result) => {
// always run
this.loading = false;
});
},
},
};
</script>
<template>
<div class="pe-3">
<div class="row mb-3 align-items-center">
<div class="col">
<h4 class="mb-0">
<template v-if="!check"> Link check </template>
<template v-else>
<template v-if="check.Links.length">
Scanned {{ formatNumber(check.Links.length) }} link<template v-if="check.Links.length != 1"
>s</template
>
</template>
<template v-else> No links detected </template>
</template>
</h4>
</div>
<div class="col-auto">
<div class="input-group">
<button
class="btn btn-outline-secondary"
data-bs-toggle="modal"
data-bs-target="#AboutLinkCheckResults"
>
<i class="bi bi-info-circle-fill"></i>
Help
</button>
<button class="btn btn-outline-secondary" data-bs-toggle="modal" data-bs-target="#LinkCheckOptions">
<i class="bi bi-gear-fill"></i>
Settings
</button>
</div>
</div>
</div>
<div v-if="!check">
<p class="text-muted">
Link check scans your email text &amp; HTML for unique links, testing the response status codes. This
includes links to images and remote CSS stylesheets.
</p>
<p class="text-center my-5">
<button v-if="!check" class="btn btn-primary btn-lg" :disabled="loading" @click="doCheck()">
<template v-if="loading">
Checking links
<div class="ms-1 spinner-border spinner-border-sm text-light" role="status">
<span class="visually-hidden">Loading...</span>
</div>
</template>
<template v-else>
<i class="bi bi-check-square me-2"></i>
Check message links
</template>
</button>
</p>
</div>
<div v-for="(s, k) in groupedStatuses" v-else :key="k">
<div class="card mb-3">
<div class="card-header h4" :class="s.Class">
Status {{ s.StatusCode }}
<small v-if="s.Status != ''" class="ms-2 small text-muted">({{ s.Status }})</small>
</div>
<ul class="list-group list-group-flush">
<li v-for="(u, i) in s.URLS" :key="'status' + i" class="list-group-item">
<a :href="u" target="_blank" class="no-icon">{{ u }}</a>
</li>
</ul>
</div>
</div>
<template v-if="error">
<p>Link check failed to load:</p>
<div class="alert alert-warning">
{{ error }}
</div>
</template>
</div>
<div
id="LinkCheckOptions"
class="modal fade"
tabindex="-1"
aria-labelledby="LinkCheckOptionsLabel"
aria-hidden="true"
>
<div class="modal-dialog modal-lg modal-dialog-scrollable">
<div class="modal-content">
<div class="modal-header">
<h1 id="LinkCheckOptionsLabel" class="modal-title fs-5">Link check options</h1>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<h6 class="mt-4">Follow HTTP redirects (status 301 & 302)</h6>
<div class="form-check form-switch mb-4">
<input
id="LinkCheckFollowRedirectsSwitch"
v-model="followRedirects"
class="form-check-input"
type="checkbox"
role="switch"
/>
<label class="form-check-label" for="LinkCheckFollowRedirectsSwitch">
<template v-if="followRedirects">Following HTTP redirects</template>
<template v-else>Not following HTTP redirects</template>
</label>
</div>
<h6 class="mt-4">Automatic link checking</h6>
<div class="form-check form-switch mb-3">
<input
id="LinkCheckAutoCheckSwitch"
v-model="autoScan"
class="form-check-input"
type="checkbox"
role="switch"
/>
<label class="form-check-label" for="LinkCheckAutoCheckSwitch">
<template v-if="autoScan">Automatic link checking is enabled</template>
<template v-else>Automatic link checking is disabled</template>
</label>
<div class="form-text">
Note: Enabling auto checking will scan every link & image every time a message is opened.
Only enable this if you understand the potential risks &amp; consequences.
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
<div
id="AboutLinkCheckResults"
class="modal fade"
tabindex="-1"
aria-labelledby="AboutLinkCheckResultsLabel"
aria-hidden="true"
>
<div class="modal-dialog modal-lg modal-dialog-scrollable">
<div class="modal-content">
<div class="modal-header">
<h1 id="AboutLinkCheckResultsLabel" class="modal-title fs-5">About Link check</h1>
<button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>
<div class="modal-body">
<div id="LinkCheckAboutAccordion" class="accordion">
<div class="accordion-item">
<h2 class="accordion-header">
<button
class="accordion-button collapsed"
type="button"
data-bs-toggle="collapse"
data-bs-target="#col1"
aria-expanded="false"
aria-controls="col1"
>
What is Link check?
</button>
</h2>
<div
id="col1"
class="accordion-collapse collapse"
data-bs-parent="#LinkCheckAboutAccordion"
>
<div class="accordion-body">
Link check scans your message HTML and text for all unique links, images and linked
stylesheets. It then does a HTTP <code>HEAD</code> request to each link, 5 at a
time, to test whether the link/image/stylesheet exists.
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button
class="accordion-button collapsed"
type="button"
data-bs-toggle="collapse"
data-bs-target="#col2"
aria-expanded="false"
aria-controls="col2"
>
What are "301" and "302" links?
</button>
</h2>
<div
id="col2"
class="accordion-collapse collapse"
data-bs-parent="#LinkCheckAboutAccordion"
>
<div class="accordion-body">
<p>
These are links that redirect you to another URL, for example newsletters often
use redirect links to track user clicks.
</p>
<p>
By default Link check will not follow these links, however you can turn this on
via the settings and Link check will "follow" those redirects.
</p>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button
class="accordion-button collapsed"
type="button"
data-bs-toggle="collapse"
data-bs-target="#col3"
aria-expanded="false"
aria-controls="col3"
>
Why are some links returning an error but work in my browser?
</button>
</h2>
<div
id="col3"
class="accordion-collapse collapse"
data-bs-parent="#LinkCheckAboutAccordion"
>
<div class="accordion-body">
<p>This may be due to various reasons, for instance:</p>
<ul>
<li>The Mailpit server cannot resolve (DNS) the hostname of the URL.</li>
<li>Mailpit is not allowed to access the URL.</li>
<li>
The webserver is blocking requests that don't come from authenticated web
browsers.
</li>
<li>The webserver or doesn't allow HTTP <code>HEAD</code> requests.</li>
</ul>
</div>
</div>
</div>
<div class="accordion-item">
<h2 class="accordion-header">
<button
class="accordion-button collapsed"
type="button"
data-bs-toggle="collapse"
data-bs-target="#col4"
aria-expanded="false"
aria-controls="col4"
>
What are the risks of running Link check automatically?
</button>
</h2>
<div
id="col4"
class="accordion-collapse collapse"
data-bs-parent="#LinkCheckAboutAccordion"
>
<div class="accordion-body">
<p>
Depending on the type of messages you are testing, opening all links on all
messages may have undesired consequences:
</p>
<ul>
<li>If the message contains tracking links this may reveal your identity.</li>
<li>
If the message contains unsubscribe links, Link check could unintentionally
unsubscribe you.
</li>
<li>
To speed up the checking process, Link check will attempt 5 URLs at a time.
This could lead to temporary heady load on the remote server.
</li>
</ul>
<p>
Unless you know what messages you receive, it is advised to only run the Link
check manually.
</p>
</div>
</div>
</div>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
</div>
</div>
</div>
</div>
</template>