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Docs for access tokens

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binwiederhier 2023-02-13 21:35:58 -05:00
parent 355424c0da
commit 70aa384bc3
5 changed files with 227 additions and 12 deletions
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5
client/options.go
View file

@ -87,6 +87,11 @@ func WithBasicAuth(user, pass string) PublishOption {
return WithHeader("Authorization", util.BasicAuth(user, pass))
}
// WithBearerAuth adds the Authorization header for Bearer auth to the request
func WithBearerAuth(token string) PublishOption {
return WithHeader("Authorization", fmt.Sprintf("Bearer %s", token))
}
// WithNoCache instructs the server not to cache the message server-side
func WithNoCache() PublishOption {
return WithHeader("X-Cache", "no")

12
cmd/publish.go
View file

@ -35,6 +35,7 @@ var flagsPublish = append(
&cli.StringFlag{Name: "file", Aliases: []string{"f"}, EnvVars: []string{"NTFY_FILE"}, Usage: "file to upload as an attachment"},
&cli.StringFlag{Name: "email", Aliases: []string{"mail", "e"}, EnvVars: []string{"NTFY_EMAIL"}, Usage: "also send to e-mail address"},
&cli.StringFlag{Name: "user", Aliases: []string{"u"}, EnvVars: []string{"NTFY_USER"}, Usage: "username[:password] used to auth against the server"},
&cli.StringFlag{Name: "token", Aliases: []string{"k"}, EnvVars: []string{"NTFY_TOKEN"}, Usage: "access token used to auth against the server"},
&cli.IntFlag{Name: "wait-pid", Aliases: []string{"wait_pid", "pid"}, EnvVars: []string{"NTFY_WAIT_PID"}, Usage: "wait until PID exits before publishing"},
&cli.BoolFlag{Name: "wait-cmd", Aliases: []string{"wait_cmd", "cmd", "done"}, EnvVars: []string{"NTFY_WAIT_CMD"}, Usage: "run command and wait until it finishes before publishing"},
&cli.BoolFlag{Name: "no-cache", Aliases: []string{"no_cache", "C"}, EnvVars: []string{"NTFY_NO_CACHE"}, Usage: "do not cache message server-side"},
@ -99,10 +100,18 @@ func execPublish(c *cli.Context) error {
file := c.String("file")
email := c.String("email")
user := c.String("user")
token := c.String("token")
noCache := c.Bool("no-cache")
noFirebase := c.Bool("no-firebase")
quiet := c.Bool("quiet")
pid := c.Int("wait-pid")
// Checks
if user != "" && token != "" {
return errors.New("cannot set both --user and --token")
}
// Do the things
topic, message, command, err := parseTopicMessageCommand(c)
if err != nil {
return err
@ -144,6 +153,9 @@ func execPublish(c *cli.Context) error {
if noFirebase {
options = append(options, client.WithNoFirebase())
}
if token != "" {
options = append(options, client.WithBearerAuth(token))
}
if user != "" {
var pass string
parts := strings.SplitN(user, ":", 2)

33
docs/config.md
View file

@ -222,6 +222,39 @@ User `ben` has three topic-specific entries. He can read, but not write to topic
to topic `garagedoor` and all topics starting with the word `alerts` (wildcards). Clients that are not authenticated
(called `*`/`everyone`) only have read access to the `announcements` and `server-stats` topics.
### Access tokens
In addition to username/password auth, ntfy also provides authentication via access tokens. Access tokens are useful
to avoid having to configure your password across multiple publishing/subscribing applications. For instance, you may
want to use a dedicated token to publish from your backup host, and one from your home automation system.
!!! info
As of today, access tokens grant users **full access to the user account**. Aside from changing the password,
and deleting the account, every action can be performed with a token. Granular access tokens are on the roadmap,
but not yet implemented.
The `ntfy token` command can be used to manage access tokens for users. Tokens can have labels, and they can expire
automatically (or never expire). Each user can have up to 20 tokens (hardcoded).
**Example commands** (type `ntfy token --help` or `ntfy token COMMAND --help` for more details):
```
ntfy token list # Shows list of tokens for all users
ntfy token list phil # Shows list of tokens for user phil
ntfy token add phil # Create token for user phil which never expires
ntfy token add --expires=2d phil # Create token for user phil which expires in 2 days
ntfy token remove phil tk_th2sxr... # Delete token
```
**Creating an access token:**
```
$ ntfy token add --expires=30d --label="backups" phil
$ ntfy token list
user phil
- tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2 (backups), expires 15 Mar 23 14:33 EDT, accessed from 0.0.0.0 at 13 Feb 23 13:33 EST
```
Once an access token is created, you can **use it to authenticate against the ntfy server, e.g. when you publish or
subscribe to topics**. To learn how, check out [authenticate via access tokens](publish.md#access-tokens).
### Example: Private instance
The easiest way to configure a private instance is to set `auth-default-access` to `deny-all` in the `server.yml`:

188
docs/publish.md
View file

@ -2591,23 +2591,22 @@ title `You've Got Mail` to topic `sometopic` (see [ntfy.sh/sometopic](https://nt
<figcaption>Publishing a message via e-mail</figcaption>
</figure>
## Advanced features
### Authentication
## Authentication
Depending on whether the server is configured to support [access control](config.md#access-control), some topics
may be read/write protected so that only users with the correct credentials can subscribe or publish to them.
To publish/subscribe to protected topics, you can:
* Use [basic auth](#basic-auth), e.g. `Authorization: Basic dGVzdHVzZXI6ZmFrZXBhc3N3b3Jk`
* or use the [`auth` query parameter](#query-param), e.g. `?auth=QmFzaWMgZEdWemRIVnpaWEk2Wm1GclpYQmhjM04zYjNKaw`
* Use [username & password](#username-password) via Basic auth, e.g. `Authorization: Basic dGVzdHVzZXI6ZmFrZXBhc3N3b3Jk`
* Use [access tokens](#bearer-auth) via Bearer/Basic auth, e.g. `Authorization: Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2`
* or use either with the [`auth` query parameter](#query-param), e.g. `?auth=QmFzaWMgZEdWemRIVnpaWEk2Wm1GclpYQmhjM04zYjNKaw`
!!! warning
Base64 only encodes username and password. It **is not encrypting it**. For your self-hosted server,
**be sure to use HTTPS to avoid eavesdropping** and exposing your password.
When using Basic auth, base64 only encodes username and password. It **is not encrypting it**. For your
self-hosted server, **be sure to use HTTPS to avoid eavesdropping** and exposing your password.
#### Basic auth
Here's an example using [Basic auth](https://en.wikipedia.org/wiki/Basic_access_authentication), with a user `testuser`
and password `fakepassword`:
### Username & password
The simplest way to authenticate against a ntfy server is to use [Basic auth](https://en.wikipedia.org/wiki/Basic_access_authentication).
Here's an example with a user `testuser` and password `fakepassword`:
=== "Command line (curl)"
```
@ -2701,7 +2700,172 @@ The following command will generate the appropriate value for you on *nix system
echo "Basic $(echo -n 'testuser:fakepassword' | base64)"
```
#### Query param
### Access tokens
In addition to username/password auth, ntfy also provides authentication via access tokens. Access tokens are useful
to avoid having to configure your password across multiple publishing/subscribing applications. For instance, you may
want to use a dedicated token to publish from your backup host, and one from your home automation system.
You can create access tokens using the `ntfy token` command, or in the web app in the "Account" section (when logged in).
See [access tokens](config.md#access-tokens) for details.
Once an access token is created, you can use it to authenticate against the ntfy server, e.g. when you publish or
subscribe to topics. Here's an example using [Bearer auth](https://swagger.io/docs/specification/authentication/bearer-authentication/),
with the token `tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2`:
=== "Command line (curl)"
```
curl \
-H "Authorization: Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2" \
-d "Look ma, with auth" \
https://ntfy.example.com/mysecrets
```
=== "ntfy CLI"
```
ntfy publish \
--token tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2 \
ntfy.example.com/mysecrets \
"Look ma, with auth"
```
=== "HTTP"
``` http
POST /mysecrets HTTP/1.1
Host: ntfy.example.com
Authorization: Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2
Look ma, with auth
```
=== "JavaScript"
``` javascript
fetch('https://ntfy.example.com/mysecrets', {
method: 'POST', // PUT works too
body: 'Look ma, with auth',
headers: {
'Authorization': 'Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2'
}
})
```
=== "Go"
``` go
req, _ := http.NewRequest("POST", "https://ntfy.example.com/mysecrets",
strings.NewReader("Look ma, with auth"))
req.Header.Set("Authorization", "Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2")
http.DefaultClient.Do(req)
```
=== "PowerShell"
``` powershell
$uri = "https://ntfy.example.com/mysecrets"
$headers = @{Authorization="Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2"}
$message = "Look ma, with auth"
Invoke-RestMethod -Uri $uri -Body $message -Headers $headers -Method "Post" -UseBasicParsing
```
=== "Python"
``` python
requests.post("https://ntfy.example.com/mysecrets",
data="Look ma, with auth",
headers={
"Authorization": "Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2"
})
```
=== "PHP"
``` php-inline
file_get_contents('https://ntfy.example.com/mysecrets', false, stream_context_create([
'http' => [
'method' => 'POST', // PUT also works
'header' =>
'Content-Type: text/plain\r\n' .
'Authorization: Bearer tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2',
'content' => 'Look ma, with auth'
]
]));
```
Alternatively, you can use [Basic Auth](https://en.wikipedia.org/wiki/Basic_access_authentication) to send the
access token. When sending an empty username, the basic auth password is treated by the ntfy server as an
access token. This is primarily useful to make `curl` calls easier, e.g. `curl -u:tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2 ...`:
=== "Command line (curl)"
```
curl \
-u :tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2 \
-d "Look ma, with auth" \
https://ntfy.example.com/mysecrets
```
=== "ntfy CLI"
```
ntfy publish \
--token tk_AgQdq7mVBoFD37zQVN29RhuMzNIz2 \
ntfy.example.com/mysecrets \
"Look ma, with auth"
```
=== "HTTP"
``` http
POST /mysecrets HTTP/1.1
Host: ntfy.example.com
Authorization: Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy
Look ma, with auth
```
=== "JavaScript"
``` javascript
fetch('https://ntfy.example.com/mysecrets', {
method: 'POST', // PUT works too
body: 'Look ma, with auth',
headers: {
'Authorization': 'Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy'
}
})
```
=== "Go"
``` go
req, _ := http.NewRequest("POST", "https://ntfy.example.com/mysecrets",
strings.NewReader("Look ma, with auth"))
req.Header.Set("Authorization", "Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy")
http.DefaultClient.Do(req)
```
=== "PowerShell"
``` powershell
$uri = "https://ntfy.example.com/mysecrets"
$headers = @{Authorization="Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy"}
$message = "Look ma, with auth"
Invoke-RestMethod -Uri $uri -Body $message -Headers $headers -Method "Post" -UseBasicParsing
```
=== "Python"
``` python
requests.post("https://ntfy.example.com/mysecrets",
data="Look ma, with auth",
headers={
"Authorization": "Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy"
})
```
=== "PHP"
``` php-inline
file_get_contents('https://ntfy.example.com/mysecrets', false, stream_context_create([
'http' => [
'method' => 'POST', // PUT also works
'header' =>
'Content-Type: text/plain\r\n' .
'Authorization: Basic OnRrX0FnUWRxN21WQm9GRDM3elFWTjI5Umh1TXpOSXoy',
'content' => 'Look ma, with auth'
]
]));
```
### Query param
Here's an example using the `auth` query parameter:
=== "Command line (curl)"
@ -2786,6 +2950,8 @@ The following command will generate the appropriate value for you on *nix system
echo -n "Basic `echo -n 'testuser:fakepassword' | base64`" | base64 | tr -d '='
```
## Advanced features
### Message caching
!!! info
If `Cache: no` is used, messages will only be delivered to connected subscribers, and won't be re-delivered if a

1
server/server.go
View file

@ -38,7 +38,6 @@ import (
- HIGH Docs
- tiers
- api
- tokens
*/