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package svc // import "github.com/getwtxt/getwtxt/svc"
import "fmt"
func titleScreen() {
fmt.Printf(`
_ _ _
__ _ ___| |___ _| |___ _| |_
/ _ |/ _ \ __\ \ /\ / / __\ \/ / __|
| (_| | __/ |_ \ V V /| |_ > <| |_
\__, |\___|\__| \_/\_/ \__/_/\_\\__|
|___/
version ` + getwtxt + `
github.com/getwtxt/getwtxt
GPL v3
`)
}
func helpScreen() {
fmt.Printf(`
getwtxt Help
:: Command Line Options ::
Command line options are used to explicitly override defaults,
or what has been specified in the configuration file.
-h [--help] Print this help screen.
-m [--manual] Print the manual.
-v [--version] Print the version information and quit.
-c [--config] Path to an alternate configuration file
to use. May be relative or absolute.
-a [--assets] Path to the assets directory, containing
style.css and tmpl/index.html
-d [--db] Path getwtxt should use for the database.
-t [--dbtype] Type of database to use.
Options: leveldb (default)
sqlite
`)
}
func manualScreen() {
fmt.Printf(`
:: Sections ::
>> Configuration File
Covers syntax and location of default configuration,
passing a specific configuration file to getwtxt,
and acceptable formats for configuration files.
>> Customizing the Landing Page
Covers the location of the landing page template,
format of the template, and optional preprocessor
tags available to use when creating a new landing
page template.
>> Interacting With the Registry
Explains all API endpoints, their parameters,
and expected output.
:: Configuration File ::
The default configuration file is in YAML format, chosen for
its clarity and its support of commenting (unlike JSON). It may
be placed in any of the following locations by default:
The same directory as the getwtxt executable
/usr/local/getwtxt/
/etc/
/usr/local/etc/
The paths are searched in that order. The first configuration
file found is used by getwtxt, while the locations further down
are ignored.
Multiple configuration files may be used, however, with the
'-c' command line flag. The path passed to getwtxt via '-c' may
be relative or absolute. For example, both of the following are
allowed:
./getwtxt -c myconfig.json
./getwtxt -c /etc/ExtraConfigsDir/mysecondconfig.toml
The supported configuration types are:
YAML, TOML, JSON, HCL
The configuration file contains several options used to
customize your instance of getwtxt. None are required, they will
simply use their default value unless otherwise specified.
ListenPort: Defines the port getwtxt should bind to.
Default: 9001
DatabaseType: The type of back-end getwtxt should use
to store registry data. The available types of
databases are: leveldb
sqlite
Default: leveldb
DatabasePath: The location of the LevelDB structure
used by getwtxt to back up registry data. This
can be a relative or absolute path.
Default: getwtxt.db
AssetsDirectory: This is the directory where getwtxt
can find style.css and tmpl/index.html -- the
stylesheet for the landing page and the landing
page template, respectively.
Default: assets
StdoutLogging: Boolean used to determine whether
getwtxt should send logging output to stdout.
This is useful for debugging, but you should
probably save your logs once your instance
is running.
Default: false
LogFile: The location of getwtxt's log file. This,
like DatabasePath, can be relative or absolute.
Default: getwtxt.log
DatabasePushInterval: The interval on which getwtxt
will push registry data from the in-memory cache
to the on-disk LevelDB database. The following
time suffixes may be used:
s, m, h
Default: 5m
StatusFetchInterval: The interval on which getwtxt
will crawl all users' twtxt files to retrieve
new statuses. The same time suffixes as
DatabasePushInterval may be used.
Default: 1h
Instance: Signifies the start of instance-specific
meta information. The following are used only
for the summary and use information displayed
by the default web page for getwtxt. If desired,
the assets/tmpl/index.html file may be
customized. Keep in mind that in YAML, the
following options must be preceded by two spaces
so that they are interpreted as sub-options.
SiteName: The name of your getwtxt instance.
Default: getwtxt
URL: The publicly-accessible URL of your
getwtxt instance.
Default: https://twtxt.example.com
OwnerName: Your name.
Default: Anonymous Microblogger
Email: Your email address.
Default: nobody@knows
Description: A short description of your getwtxt
instance or your site. As this likely includes
whitespace, it should be in double-quotes.
This can include XHTML or HTML line breaks if
desired:
<br />
<br>
Default: "A fast, resilient twtxt registry
server written in Go!"
:: Customizing the Landing Page ::
If you like, feel free to customize the landing page
template provided at
assets/tmpl/index.html
It must be standard HTML or XHTML. There are a few special
tags available to use that will be replaced with specific values
when the template is parsed by getwtxt.
Values are derived from the "Instance" section of the
configuration file, except for the version of getwtxt used. The
following will be in the form of:
{{.TemplateTag}} What it will be replaced with when
the template is processed and the landing page is
served to a visitor.
The surrounding double braces and prefixed period are required
if you choose to use these tags in your modified landing page. The
tags themselves are not required; access to them is provided simply
for convenience.
{{.Vers}} The version of getwtxt used. Does not include
the preceding 'v'. Ex: 0.2.0
{{.Name}} The name of the instance.
{{.Owner}} The instance owner's name.
{{.Mail}} Email address used for contacting the instance
owner if the need arises.
{{.Desc}} Short description placed in the configuration
file. This is why HTML tags are allowed.
{{.URL}} The publicly-accessible URL of your instance. In
the default landing page, example API calls are shown
using this URL for the convenience of the user.
:: Interacting with the Registry ::
The registry API is rather simple, and can be interacted with
via the command line using cURL. Example output of the calls will
not be provided.
Pseudo line-breaks will be represented with a backslash.
Examples with line-breaks are not syntactically correct and will
be rejected by cURL. Please concatenate the example calls without
the backslash. This is only present to maintain consistent
formatting for this manual text.
Ex:
/api/plain/users\
?q=FOO
Should be:
/api/plain/users?q=FOO
All queries (every call except adding users) accept the
?page=N parameter, where N > 0. The output is provided in groups
of 20 results. For example, indexed at 1, ?page=2 (or &page=2 if
it is not the first parameter) appended to any query will return
results 21 through 40. If the page requested will exceed the
bounds of the query output, the last 20 query results are returned.
Adding a user:
curl -X POST 'http://localhost:9001/api/plain/users\
?url=https://gbmor.dev/twtxt.txt&nickname=gbmor'
Retrieve user list:
curl 'http://localhost:9001/api/plain/users'
Retrieve all statuses:
curl 'http://localhost:9001/api/plain/tweets'
Retrieve all statuses with mentions:
curl 'http://localhost:9001/api/plain/mentions'
Retrieve all statuses with tags:
curl 'http://localhost:9001/api/plain/tags'
Query for users by keyword:
curl 'http://localhost:9001/api/plain/users?q=FOO'
Query for users by URL:
curl 'http://localhost:9001/api/plain/users\
?url=https://gbmor.dev/twtxt.txt'
Query for statuses by substring:
curl 'http://localhost:9001/api/plain/tweets\
?q=SUBSTRING'
Query for statuses mentioning a user:
curl 'http://localhost:9001/api/plain/mentions\
?url=https://gbmor.dev/twtxt.txt'
Query for statuses with a given tag:
curl 'http://localhost:9001/api/plain/tags/myTagHere'
`)
}