filed/config/filed.toml.example

@@ -84,3 +84,7 @@ sudo_delete=false
 # Whether /api/upload is enabled
 # It is not recommended to enable it if API key auth is not enabled
 upload=false
+
+# Whether curlapi is enabled
+# curl {url}/curlapi/help for more info
+curlapi=true

filed/src/config/types.rs

@@ -112,6 +112,10 @@ pub struct APISettings {
     /// Whether /api/upload is enabled
     #[serde(default)]
     pub upload: bool,
+
+    /// Whether curlapi is enabled
+    #[serde(default)]
+    pub curlapi: bool
 }
 
 impl Default for APISettings {
@@ -123,7 +127,8 @@ impl Default for APISettings {
             get_all_own_only: true,
             delete: false,
             sudo_delete: false,
-            upload: false
+            upload: false,
+            curlapi: true
         }
     }
 }

filed/src/web/curlapi.rs

@@ -0,0 +1,11 @@
+use warp::{Filter, reply::Reply, reject::Rejection};
+
+use super::state::SharedState;
+
+mod upload;
+mod help;
+
+pub fn get_routes(state: SharedState) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    upload::get_routes(state.clone())
+        .or(help::get_routes(state))
+}

filed/src/web/curlapi/help.rs

@@ -0,0 +1,85 @@
+use askama::Template;
+use warp::{Filter, reply::{Reply, html}, reject::Rejection};
+
+use crate::web::{state::SharedState, pages::CurlHelpPage, rejection::HttpReject};
+
+pub async fn help(state: SharedState, ua: String) -> Result<Box<dyn Reply>, Rejection> {
+
+    if ! ua.starts_with("curl/") {
+        let page = CurlHelpPage { conf: state.config.clone(), env: state.env.clone() };
+        return Ok(
+            Box::new(
+                html(page.render().map_err(|x| HttpReject::AskamaError(x))?)
+            )
+        )
+    }
+
+    let brand = format!(
+        "{} \x1b[1m{}\x1b[0m  {}",
+        state.config.brand.instance_emoji,
+        state.config.brand.instance_name,
+        {
+            if state.config.brand.instance_name != "blek! File" {
+                "\n\x1b[90mPowered by blek! File\x1b[0m"
+            } else { "" }
+        }
+    );
+
+    let mut warns: String = String::new();
+    if ! state.config.api.curlapi {
+        warns += "\x1b[1;31mWarning: curl API is disabled on this instance.\nYou can use the web UI to upload files.\x1b[0m\n\n"
+    }
+    if ! state.config.files.allow_uploads {
+        warns += {
+            format!(
+                "\x1b[1;31mWarning: all uploads are disabled on this instance{}\x1b[0m",
+                {
+                    if let Some(reason) = state.config.files.upload_disable_reason {
+                        format!(" for this reason:\n\"{}\"", reason)
+                    } else { ".".to_string() }
+                }
+            ).as_str()
+        }
+    }
+
+    let instance = state.env.instanceurl;
+    let help =
+format!(
+"To upload a new file, you can POST it like this:
+    \x1b[32mcurl\x1b[0m \x1b[33m-X POST\x1b[0m \x1b[34m{instance}/curlapi/upload\x1b[0m \x1b[33m-F'file=@file.txt'\x1b[0m \x1b[33m-F'tos_consent=on'\x1b[0m
+You can also add a password:
+    \x1b[32mcurl\x1b[0m \x1b[33m-X POST\x1b[0m \x1b[34m{instance}/curlapi/upload\x1b[0m \x1b[33m-F'file=@file.txt'\x1b[0m \x1b[33m-F'filename=uwu'\x1b[0m \x1b[33m-F'tos_consent=on'\x1b[0m \x1b[33m-F'named=on'\x1b[0m
+The `named=on` switch is neede because this API is basically
+the HTML used at the regular web UI form wrapped into this URL
+
+\x1b[1;32mIMPORTANT:\x1b[0m Read the terms of service \x1b[1mbefore\x1b[0m uploading the file!
+The ToS can be found here: \x1b[34m{instance}/tos\x1b[0m .
+
+{warns}"
+);
+
+    Ok(
+    Box::new(
+format!("
+  \x1b[31m┓ ╻\x1b[0m \x1b[35m┏┓•┓  \x1b[0m
+  \x1b[32m┣┓┃\x1b[0m \x1b[95m┣ ┓┃┏┓\x1b[0m
+  \x1b[34m┗┛•\x1b[0m \x1b[35m┻ ┗┗┗━\x1b[0m
+
+{brand}
+{help}
+").to_string())
+)   
+}
+
+pub fn get_routes(state: SharedState) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    warp::any()
+        .and(warp::path!("curlapi" / "help"))
+        .and(
+            warp::any()
+                .map(move || state.clone())
+        )
+        .and(
+            warp::header::<String>("user-agent")
+        )
+        .and_then(help)
+}

filed/src/web/curlapi/upload.rs

@@ -0,0 +1,139 @@
+use std::net::IpAddr;
+
+use warp::{filters::multipart::FormData, reply::{Reply, with_status}, reject::Rejection, Filter};
+use warp_real_ip::real_ip;
+
+use crate::{web::{state::SharedState, forms::{FormElement, UploadFormData}, rejection::HttpReject}, files::File};
+
+pub async fn upload(form: FormData, ip: Option<IpAddr>, state: SharedState) -> Result<Box<dyn Reply>, Rejection> {
+    if ! state.config.files.allow_uploads {
+        return Ok(
+            Box::new(
+                with_status(
+                    match state.config.files.upload_disable_reason {
+                        Some(reason) => format!("Uploads are disabled for the following reason:\n{reason}"),
+                        None => "Uploads are disabled.".into()
+                    },
+                    warp::http::StatusCode::SERVICE_UNAVAILABLE
+                )
+            )
+        )
+    }
+
+    let params = FormElement::from_formdata(form)
+        .await
+        .map_err(|x| HttpReject::WarpError(x))?;
+
+    if let Some(consent) = params.get("tos_consent") {
+        if consent.data != "on".bytes().collect::<Vec<u8>>() {
+            return Ok(
+                Box::new(
+                    format!("You need to agree to the ToS to upload a file.\nSee {}/curlapi/help for details\n\nTo agree to the ToS, add a -F'tos_consent=on'\n", state.env.instanceurl)
+                )
+            )
+        }
+    } else {
+        return Ok(
+            Box::new(
+                format!("You need to agree to the ToS to upload a file.\nSee {}/curlapi/help for details\n\nTo agree to the ToS, add a -F'tos_consent=on'\n", state.env.instanceurl)
+            )
+        )
+    }
+
+    let formdata = UploadFormData::from_formdata(params, true);
+    if let Some(formdata) = formdata {
+
+        let mut breaks_conf = false;
+        if (!state.config.files.allow_custom_names) && formdata.filename.is_some() {
+            breaks_conf = true;
+        }
+        if (!state.config.files.allow_pass_protection) && formdata.password.is_some() {
+            breaks_conf = true;
+        }
+
+        if breaks_conf {
+            return Ok(
+                Box::new(
+                    with_status(
+                        "Attempt to set name or password when they are disabled".to_string(),
+                        warp::http::StatusCode::BAD_REQUEST
+                    )
+                )
+            );
+        }
+
+        if let Some(pass) = state.config.files.upload_pass {
+            let pass_valid: bool;
+            if let Some(upass) = formdata.instancepass {
+                pass_valid = upass == pass;
+            } else {
+                pass_valid = false
+            }
+
+            if ! pass_valid {
+                return Ok(
+                    Box::new(
+                        with_status(
+                            "Invalid instance password".to_string(),
+                            warp::http::StatusCode::BAD_REQUEST
+                        )
+                    )
+                );
+            }
+        }
+
+        let file = File::create(
+            formdata.file,
+            formdata.mime,
+            formdata.filename.clone(),
+            state.env.clone(),
+            formdata.delmode,
+            formdata.password,
+            ip
+        ).await.map_err(|x| HttpReject::StringError(x.to_string()))?;
+
+        state.file_mgr.save(&file, formdata.lookup_kind).map_err(|x| HttpReject::StringError(x.to_string()))?;
+
+        return Ok(
+            Box::new(
+                format!(
+                    concat!(
+                        "File uploaded successfully.\n",
+                        "It is available via this link:\n\n",
+
+                        "{}/upload/{}\n"
+                    ),
+                    state.env.instanceurl,
+                    urlencoding::encode(
+                        match formdata.filename {
+                            Some(name) => name,
+                            None => file.hash()
+                        }.as_str()
+                    )
+                )
+            )
+        );
+
+    } else {
+        Ok(
+            Box::new(
+                with_status(
+                    "Invalid form".to_string(),
+                    warp::http::StatusCode::BAD_REQUEST
+                )
+            )
+        )
+    }
+}
+
+pub fn get_routes(state: SharedState) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
+    warp::post()
+        .and(warp::path!("curlapi" / "upload"))
+        .and(warp::multipart::form())
+        .and(real_ip(vec![state.env.proxy_addr]))
+        .and(
+            warp::any()
+                .map(move || state.clone())
+        )
+        .and_then(upload)
+}

filed/src/web/forms.rs

@@ -17,9 +17,9 @@ use crate::files::{File, lookup::LookupKind, DeleteMode};
 use super::{state::SharedState, pages::{UploadSuccessPage, ErrorPage}, rejection::HttpReject};
 
 #[derive(Debug, Serialize, Clone)]
-struct FormElement {
-    data: Vec<u8>,
-    mime: String
+pub struct FormElement {
+    pub data: Vec<u8>,
+    pub mime: String
 }
 impl FormElement {
     
@@ -58,15 +58,15 @@ impl FormElement {
     }
 }
 
-struct UploadFormData {
-    filename: Option<String>,
-    password: Option<String>,
-    instancepass: Option<String>,
-    lookup_kind: LookupKind,
-    delmode: DeleteMode,
-    file: Vec<u8>,
-    mime: String,
-    tos_consent: bool
+pub struct UploadFormData {
+    pub filename: Option<String>,
+    pub password: Option<String>,
+    pub instancepass: Option<String>,
+    pub lookup_kind: LookupKind,
+    pub delmode: DeleteMode,
+    pub file: Vec<u8>,
+    pub mime: String,
+    pub tos_consent: bool
 }
 
 impl Default for UploadFormData {
@@ -86,7 +86,7 @@ impl Default for UploadFormData {
 
 impl UploadFormData {
 
-    pub fn from_formdata(data: HashMap<String, FormElement>) -> Option<UploadFormData> {
+    pub fn from_formdata(data: HashMap<String, FormElement>, use_defaults: bool) -> Option<UploadFormData> {
         let mut out = Self::default();
         
         // Add a name
@@ -125,7 +125,9 @@ impl UploadFormData {
                 }
             },
             None => {
-                return None
+                if ! use_defaults {
+                    return None
+                }
             }
         }
 
@@ -169,7 +171,7 @@ pub async fn upload(form: FormData, ip: Option<IpAddr>, state: SharedState) -> R
     }
 
     let params: HashMap<String, FormElement> = FormElement::from_formdata(form).await.map_err(|x| HttpReject::WarpError(x))?;
-    let formdata = UploadFormData::from_formdata(params.clone());
+    let formdata = UploadFormData::from_formdata(params.clone(), false);
 
     if let Some(formdata) = formdata {
 

filed/src/web/mod.rs

@@ -8,16 +8,18 @@ use warp::{Filter, reply::Reply, reject::Rejection};
 use crate::{env::Env, files::lookup::FileManager, config::types::Config};
 
 mod pages;
-mod forms;
+pub mod forms;
 pub mod state;
 mod rejection;
 mod api;
 mod uploaded;
+mod curlapi;
 
 use state::SharedState;
 
 pub fn routes(state: SharedState) -> impl Filter<Extract = impl Reply, Error = Rejection> + Clone {
     static_dir!("static")
+        .or(curlapi::get_routes(state.clone()))
         .or(pages::get_routes(state.clone()))
         .or(forms::get_routes(state.clone()))
         .or(api::get_routes(state.clone()))

filed/src/web/pages.rs

@@ -88,6 +88,14 @@ pub struct ErrorPage {
     pub link_text: Option<String>
 }
 
+#[derive(Template)]
+#[template( path = "curlapi_help.html" )]
+#[allow(dead_code)]
+pub struct CurlHelpPage {
+    pub env: Env,
+    pub conf: Config
+}
+
 pub async fn uploaded(query: HashMap<String, String>, state: SharedState) -> Result<Html<String>, Rejection> {
 
     if ! query.contains_key("file") {

filed/static/assets/alert.css

@@ -24,4 +24,7 @@
 
 .alert.blue .alert-title {
     background: #203050;
+}
+.alert.green .alert-title {
+    background: #205030;
 }

filed/static/assets/code.css

@@ -0,0 +1,23 @@
+.code {
+    display: block;
+    padding: 1em;
+    border: 1px solid var(--header-sec-color);
+    border-radius: 12px;
+    overflow-x: auto;
+}
+.code .inner {
+    width: max-content;
+    display: block;
+}
+.code-inline {
+    display: inline;
+    background: #00000010;
+    border: 1px solid #c2c4c210;
+    border-radius: 4px;
+    padding: 2px 4px;
+}
+
+.code, .code-inline {
+    font-family: monospace;
+    line-height: 1.5em;
+}

filed/templates/curlapi_help.html

@@ -0,0 +1,114 @@
+
+{% extends "base.html" %}
+
+{% block head %}
+<link rel='stylesheet' href="/code.css" />
+<link rel='stylesheet' href="/alert.css" />
+<link rel='stylesheet' href="/js-only.css" />
+<style>
+.copy-btn { font-size: 70%; transform: translateY(-25%); display: inline-block }
+</style>
+{% endblock %}
+
+{% block body %}
+
+<div style="max-width:95vw;width:fit-content;margin:0 auto">
+    <h1 style="text-align:center">Curl API</h1>
+    <p>
+        blek! File has an API for uploading files via cURL.
+        To upload a file via cURL, follow these instructions:
+    </p>
+    <p>
+        To upload a file, POST it like this:
+        <a href="#" class="copy-btn" data-clipboard-text="curl -X POST {{env.instanceurl}}/curlapi/upload -F'file=@file.txt' -F'tos_consent=on'">
+            Copy!
+        </a>
+    </p>
+    <div class='code'>
+        <span class='inner'>
+            <span style='color:green'>curl</span>
+            <span style='color:orange'>-X POST</span>
+            <span style='color:darkcyan'>{{env.instanceurl}}/curlapi/upload</span>
+            <span style='color:orange'>-F'file=@file.txt'</span>
+            <span style='color:orange'>-F'tos_consent=on'</span>
+        </span>
+    </div>
+    <p>
+        To add a password, do it like this:
+        <a href="#" class="copy-btn" data-clipboard-text="curl -X POST {{env.instanceurl}}/curlapi/upload -F'file=@file.txt' -F'filename=uwu' -F'tos_consent=on' -F'named=on'">
+            Copy!
+        </a>
+    </p>
+    <div class='code'>
+        <span class='inner'>
+            <span style='color:green'>curl</span>
+            <span style='color:orange'>-X POST</span>
+            <span style='color:darkcyan'>{{env.instanceurl}}/curlapi/upload</span>
+            <span style='color:orange'>-F'file=@file.txt'</span>
+            <span style='color:orange'>-F'tos_consent=on'</span>
+            <span style='color:orange'>-F'named=on'</span>
+        </span>
+    </div>
+    <p>
+        Note that the
+        <span class='code-inline'>named=on</span>
+        switch is required.
+        Its needed because the curl API is basically a wrapper of
+        <a href="/">this</a>
+        HTML form.
+    </p>
+    
+    <div class="alert green">
+        <h1 class="alert-title">
+            Important
+        </h1>
+        <p class="alert-text">
+            Read the
+            <a href="/tos">Terms of Service</a>
+            <b>before</b>
+            uploading a file.
+            <br/>
+            You agree to them by adding the
+            <span class="code-inline">tos_consent=on</span>
+            switch.
+        </p>
+    </div>
+
+    <div class='alert blue'>
+        <h1 class='alert-title'>Web UI</h1>
+        <div class='alert-text'>
+            <p>
+                Hey, it looks like you are viewing this page from a browser!<br/>
+                You can use the Web UI as well to upload a file!
+            </p>
+            <p style='margin:32px 0'>
+                <a href='/' role='button' class='btn'>
+                    Go to the web UI
+                </a>
+            </p>
+        </div>
+    </div>
+</div>
+
+{% endblock %}
+
+{% block scripts %}
+<script src="https://unpkg.com/clipboard@2/dist/clipboard.min.js"></script>
+<script>
+    new ClipboardJS('.copy-btn');
+{#- -#}
+    ( {#- -#}
+        () => { {#- -#}
+            let btns = document.getElementsByClassName('copy-btn') {#- -#}
+            for (const button of btns) { {#- -#}
+                button.onclick = () => { {#- -#}
+                    let old = button.innerHTML; {#- -#}
+                    button.innerHTML = 'Copied!'; {#- -#}
+                    setTimeout(() => { button.innerHTML = old }, 500); {#- -#}
+                } {#- -#}
+            } {#- -#}
+        } {#- -#}
+    )() {#- -#}
+</script>
+<script src='/js-only.js'></script>
+{% endblock %}