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rewrite so webdriver is only used for the login

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Sebastian Hugentobler 2024-07-03 12:32:47 +02:00
parent 3edb6a7671
commit cf8fbe0965
Signed by: shu
GPG Key ID: BB32CF3CA052C2F0
26 changed files with 5385 additions and 1296 deletions
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*~ *~
.DS_Store .DS_Store
*.swp *.swp
node_modules node_modules
/target
nzz/

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[workspace]
resolver = "2"
members = [
"cookie", "download",
]
[workspace.dependencies]
anyhow = "1.0.86"
clap = { version = "4.5.8", features = ["env", "derive"] }
serde_json = "1.0.120"
tokio = { version = "1", features = ["full"] }
[workspace.package]
license = "AGPL-3.0"
authors = ["Sebastian Hugentobler <shu@vanwa.ch>"]
repository = "https://code.vanwa.ch/shu/nzz-downloader"

373
LICENCE
View File

@ -1,373 +0,0 @@
Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
---------------------------------------------------------
This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.

91
README.md
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@ -1,74 +1,79 @@
# NZZ Downloader # NZZ Downloader
The [NZZ](https://en.wikipedia.org/wiki/Neue_Z%C3%BCrcher_Zeitung) is the Swiss The [NZZ](https://en.wikipedia.org/wiki/Neue_Z%C3%BCrcher_Zeitung) is the Swiss
Swiss newspaper of record. Its first issue was all the way back in 1780. It's Swiss newspaper of record. Its first issue was all the way back in 1780. Even
even better that you can download every single issue ever released (if you have better you can download every single issue ever released (if you have a
a subscription of course). subscription of course).
This little tool helps you with downloading all released issues in a specified This little tool helps with downloading all released issues in a specified time
time span. span.
It was written because the archive website is not very friendly in the author's It was written because the archive website is not very friendly and because it
opinion and of course because it is not possible to download everything in a is not possible to download everything within a specified time span.
time span.
Because the archive website makes heavy use of javascript this is done with
[selenium](https://www.selenium.dev/) to remote control a browser (firefox in
this case). This is also why it is not all that fast but that is ok.
Please only use this with your own credentials, the journalists deserve to be
paid for their work.
![screenshot](screenshot.jpg) ![screenshot](screenshot.jpg)
## Installation ## Installation
You need to be comfortable with the command line to use the nzz downloader and You need to be comfortable with the command line to use the nzz downloader and
it has only been tested on linux systems though it should work fine on Windows it has only been tested on *nix systems though it should work fine on Windows or
or macOS. macOS.
### Prerequisites
- [NodeJS](https://nodejs.org/en/download/) (the LTS version is fine)
- [Firefox](https://www.mozilla.org/en-US/firefox/download/thanks/) - [Firefox](https://www.mozilla.org/en-US/firefox/download/thanks/)
- [geckodriver](https://github.com/mozilla/geckodriver/releases) - [geckodriver](https://github.com/mozilla/geckodriver/releases)
- [nzz.js](https://code.vanwa.ch/sebastian/nzz-downloader/-/releases) - [rust](https://www.rust-lang.org/learn/get-started)
Build the binaries with cargo: `cargo build --release` (they are created as
`target/release/{nzz-cookie,nzz-download}`).
## Usage ## Usage
### Authentication
The downloader needs an authentication cookie to work. With the binary
`nzz-cookie` (and the huge help of the webdriver api + geckodriver) this can be
generated.
``` ```
Usage: nzz.js -f [date] -t [date] -o [path] -u [usernane] -p [password] Usage: nzz-cookie --username <USERNAME>
Options: Options:
--version Show version number [boolean] -u, --username <USERNAME> Username [env: USERNAME=]
-h, --help Show help [boolean] -h, --help Print help
-f, --from Earliest issue to download. [default: "2020-12-23"] -V, --version Print version
-t, --to Latest issue to download. [default: "2020-12-23"]
-o, --out Download directory. [default: "./nzz"] Provide the password from stdin.
-u, --user Username for the nzz archive. [required]
-p, --password Password for the user. [required]
``` ```
### Examples The resulting cookie is printed to stdout.
Download all existing issues from 1780-01-01 until 1780-02-30 to the default ### Download
directory "./nzz"
``` ```
./nzz.js -u 'myuser@example.com' -p 'mypassword' -f 1780-01-01 -t 1780-02-30 Usage: nzz-download [OPTIONS] --from <FROM> --to <TO>
Options:
-f, --from <FROM> Earliest issue to download (like 1780-12-31) [env: FROM=]
-t, --to <TO> Latest issue to download (like 1780-12-31) [env: TO=]
-o, --output-dir <OUTPUT_DIR> Output directory [env: OUTPUT_DIR=] [default: ./nzz]
-h, --help Print help
-V, --version Print version
Provide the authentication cookie from stdin.
``` ```
## Caveats ### Example
You need a good internet connection, as the program only waits a couple seconds Login and use the resulting cookie to download all issues from 2024-06-01 until
until a download of an issue can start. This is something that is hard to solve 2024-06-05 to the default directory "./nzz", reading the password from the file
unfortunately. `pw`:
If you get strange errors about elements not being visible, wait a bit and try ```
again, it's usually a network problem. nzz-cookie -u 'myuser@example.com' <pw | nzz-download -f 2024-06-01 -t 2024-06-05
```
The proper way of doing this would be to figure out how the calls to the backend ## License
work and do that instead of using the heavy handed approach of instrumenting a
browser.
## Licence Licensed as [AGPL-3.0](https://www.gnu.org/licenses/agpl-3.0.html).
Licensed as [MPL 2.0](https://www.mozilla.org/en-US/MPL/2.0/).

15
cookie/Cargo.toml Normal file
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[package]
name = "nzz-cookie"
version = "0.1.0"
edition = "2021"
license = { workspace = true }
authors = { workspace = true }
repository = { workspace = true }
[dependencies]
anyhow = { workspace = true }
clap = { workspace = true }
fantoccini = "0.19.3"
serde_json = { workspace = true }
tokio = { workspace = true }

12
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//! Cli interface.
use clap::Parser;
/// Fetch the authentication cookie from an nzz login.
#[derive(Parser)]
#[command(version, about, long_about = None, after_help = "Provide the password from stdin.")]
pub struct Config {
/// Username.
#[arg(short, long, env)]
pub username: String,
}

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//! Start geckodriveror connect to an existing one.
use std::{net::TcpStream, process::Stdio, time::Duration};
use anyhow::Result;
use tokio::{process::Command, spawn, sync::oneshot, task::JoinHandle};
/// Standard address for geckodriver to listen on.
pub const GECKODRIVER_HOST: &str = "127.0.0.1:4444";
const GECKODRIVER_BINARY: &str = "geckodriver";
/// Check if ageckodriver is already running and if not start one.
pub async fn run(stop_rx: oneshot::Receiver<()>) -> Result<Option<JoinHandle<()>>> {
if TcpStream::connect_timeout(&GECKODRIVER_HOST.parse()?, Duration::from_secs(2)).is_err() {
let handle = spawn(async move {
let mut child = Command::new(GECKODRIVER_BINARY)
.stdout(Stdio::null())
.spawn()
.expect("failed to run binary");
tokio::select! {
_ = stop_rx => {
child.kill().await.expect("Failed to kill process");
}
result = child.wait() => {
result.expect("Child process wasn't running");
}
}
});
Ok(Some(handle))
} else {
Ok(None)
}
}

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//! Login to the NZZ archive and print the authentication cookie for further usage.
//!
//! Leveraging webdriver + geckodriver.
use std::time::Duration;
use anyhow::Result;
use cli::Config;
use fantoccini::{elements::Element, Client, ClientBuilder, Locator};
use serde_json::json;
use tokio::{sync::oneshot, time::sleep};
use crate::geckodriver::GECKODRIVER_HOST;
pub mod cli;
pub mod geckodriver;
const LOGIN_URL: &str = "https://zeitungsarchiv.nzz.ch/";
/// Entrypoint to login to the NZZ archive.
pub async fn run(args: Config, pw: &str) -> Result<()> {
let (stop_tx, stop_rx) = oneshot::channel();
let driver_handle = geckodriver::run(stop_rx).await?;
let driver_args = json!({ "moz:firefoxOptions": {"args": ["-headless"]} });
let client = ClientBuilder::native()
.capabilities(driver_args.as_object().unwrap().clone())
.connect(&format!("http://{GECKODRIVER_HOST}"))
.await?;
client.goto(LOGIN_URL).await?;
let login_button: Element = element_from_css(&client, ".fup-menu-login-container").await?;
sleep(Duration::from_millis(500)).await;
login_button.click().await?;
let login_iframe = element_from_css(&client, r#"iframe[id^="piano""#).await?;
login_iframe.enter_frame().await?;
let email_input = element_from_css(&client, r#"input[name="email"]"#).await?;
email_input.send_keys(&args.username).await?;
let pw_input: Element = element_from_css(&client, r#"input[type="password"]"#).await?;
pw_input.send_keys(pw).await?;
let submit = element_from_css(&client, r#"button[class="btn prime"]"#).await?;
submit.click().await?;
let main_frame = client.window().await?;
client.switch_to_window(main_frame).await?;
element_from_css(&client, ".fup-login-open.fup-button.fup-s-menu-login-open").await?;
let cookies = client.get_all_cookies().await?;
let cobbled_cookies = cookies
.into_iter()
.map(|cookie| format!("{}={}", cookie.name(), cookie.value()))
.fold(String::new(), |mut acc, word| {
if !acc.is_empty() {
acc.push(';');
}
acc.push_str(&word);
acc
});
println!("{cobbled_cookies}");
client.close().await?;
if let Some(driver_handle) = driver_handle {
let _ = stop_tx.send(());
driver_handle.abort();
}
Ok(())
}
async fn element_from_css(client: &Client, selector: &str) -> Result<Element> {
Ok(client.wait().for_element(Locator::Css(selector)).await?)
}

24
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use std::io::{self, Read};
use anyhow::Result;
use clap::Parser;
use nzz_cookie::cli::Config;
#[tokio::main]
async fn main() -> Result<()> {
let args = Config::parse();
let pw = read_pw().unwrap_or_else(|_| panic!("Provide the password via stdin"));
nzz_cookie::run(args, &pw).await?;
Ok(())
}
/// Read password from stdin.
fn read_pw() -> Result<String> {
let stdin = io::stdin();
let mut buffer = String::new();
stdin.lock().read_to_string(&mut buffer)?;
let cookie = buffer.trim();
Ok(cookie.to_string())
}

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20
download/Cargo.toml Normal file
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[package]
name = "nzz-download"
version = "0.1.0"
edition = "2021"
license = { workspace = true }
authors = { workspace = true }
repository = { workspace = true }
[dependencies]
anyhow = { workspace = true }
clap = { workspace = true }
lopdf = "0.32.0"
reqwest = { version = "0.12.5", features = ["json"] }
serde = { version = "1.0.203", features = ["derive"] }
serde_json = { workspace = true }
tempfile = "3.10.1"
tokio = { workspace = true }
time = { version = "0.3.36", features = ["macros", "serde", "formatting", "parsing" ] }
tracing = "0.1.40"
tracing-subscriber = "0.3.18"

31
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//! Cli interface.
use std::path::PathBuf;
use clap::Parser;
use time::error::Parse;
use time::Date;
use crate::date::FORMAT;
/// Parse a date prvided a a cli argument.
fn parse_date(input: &str) -> Result<Date, Parse> {
Date::parse(input, FORMAT)
}
/// Download issues of the NZZ newspaper
#[derive(Parser)]
#[command(version, about, long_about = None, after_help = "Provide the authentication cookie from stdin.")]
pub struct Config {
/// Earliest issue to download (like 1780-12-31)
#[arg(short, long, env, value_parser=parse_date)]
pub from: Date,
/// Latest issue to download (like 1780-12-31)
#[arg(short, long, env, value_parser=parse_date)]
pub to: Date,
/// Output directory.
#[arg(short, long, env, default_value = "./nzz")]
pub output_dir: PathBuf,
}

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//! Utilities for handling dates.
use serde::{Deserialize, Deserializer, Serializer};
use time::format_description::FormatItem;
use time::macros::format_description;
use time::Date;
/// Date format for newspaper issues (YYYY-mm-dd)
pub const FORMAT: &[FormatItem<'_>] = format_description!("[year]-[month]-[day]");
/// Serialize a date to a String with serde.
pub fn serialize<S>(value: &Date, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let formated = value.format(&FORMAT).unwrap();
serializer.serialize_str(&formated)
}
/// Deserialize a String to a Date with serde.
pub fn deserialize<'de, D>(deserializer: D) -> Result<Date, D::Error>
where
D: Deserializer<'de>,
{
let s: &str = Deserialize::deserialize(deserializer)?;
Date::parse(s, FORMAT).map_err(serde::de::Error::custom)
}

52
download/src/download.rs Normal file
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@ -0,0 +1,52 @@
//! Handle downloads of newspaper issues.
use std::{
fs::{self},
io::{Cursor, Read},
path::Path,
};
use anyhow::Result;
use tracing::{debug, info};
use crate::{nzz::Issue, pdf};
/// Download all pages of the provided `issues` and save them merged to the directory `output_dir`.
///
/// Create `output_dir` if it does not exist.
pub async fn fetch(issues: Vec<Issue>, output_dir: &Path) -> Result<()> {
debug!("ensuring {output_dir:?} exists");
fs::create_dir_all(output_dir)?;
for issue in issues {
info!("saving issue {}", issue.publication_date);
let tmp_dir = tempfile::tempdir()?;
let mut pages = Vec::new();
for (i, page) in issue.pages.into_iter().enumerate() {
debug!(
"fetching issue {}, page {}: {page}",
issue.publication_date,
i + 1
);
let response = reqwest::Client::new().get(page).send().await?;
let mut content = Cursor::new(response.bytes().await?);
let mut page_data = Vec::new();
content.read_to_end(&mut page_data)?;
let tmp_page = tmp_dir.path().join(i.to_string());
fs::write(&tmp_page, page_data)?;
pages.push(tmp_page);
}
let issue_name = format!("nzz_{}.pdf", issue.publication_date);
let issue_path = output_dir.join(issue_name);
let issue_title = format!("NZZ {}", issue.publication_date);
pdf::merge(pages, &issue_path, &issue_title)?;
debug!("issue {} saved", issue.publication_date);
}
Ok(())
}

19
download/src/lib.rs Normal file
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@ -0,0 +1,19 @@
//! A small utility to download issues of the NZZ newspaper.
use anyhow::Result;
use cli::Config;
pub mod cli;
pub mod date;
pub mod download;
pub mod nzz;
pub mod pdf;
/// Entry point to download nzz issues.
pub async fn run(args: Config, cookie: &str) -> Result<()> {
let issues = nzz::fetch(cookie, args.from, args.to).await?;
download::fetch(issues, &args.output_dir).await?;
Ok(())
}

29
download/src/main.rs Normal file
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@ -0,0 +1,29 @@
use std::io::{self, Read};
use anyhow::Result;
use clap::Parser;
use nzz_download::cli::Config;
#[tokio::main]
async fn main() -> Result<()> {
if std::env::var_os("RUST_LOG").is_none() {
std::env::set_var("RUST_LOG", "info");
}
tracing_subscriber::fmt::init();
let args = Config::parse();
let cookie = read_cookie().expect("Provide the authentication cookie via stdin");
nzz_download::run(args, &cookie).await
}
/// read authentication cookie from stdin.
fn read_cookie() -> Result<String> {
let stdin = io::stdin();
let mut buffer = String::new();
stdin.lock().read_to_string(&mut buffer)?;
let cookie = buffer.trim();
Ok(cookie.to_string())
}

198
download/src/nzz.rs Normal file
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@ -0,0 +1,198 @@
//! Handle information relating to NZZ issues.
use anyhow::Result;
use serde::{Deserialize, Serialize};
use time::Date;
use tracing::info;
const SEARCH_URL: &str = "https://zeitungsarchiv.nzz.ch/solr-epaper-search/1.0/search";
const ISSUE_URL: &str = "https://zeitungsarchiv.nzz.ch/archive/1.0/getPages";
#[derive(Debug, Serialize, Deserialize)]
struct SearchData {
query: String,
offset: u32,
#[serde(rename = "sortField")]
sort_field: String,
#[serde(rename = "sortOrder")]
sort_order: String,
#[serde(
rename = "startDate",
serialize_with = "crate::date::serialize",
deserialize_with = "crate::date::deserialize"
)]
start_date: Date,
#[serde(
rename = "endDate",
serialize_with = "crate::date::serialize",
deserialize_with = "crate::date::deserialize"
)]
end_date: Date,
}
#[derive(Debug, Serialize, Deserialize)]
struct SearchResult {
data: SearchInfo,
}
#[derive(Debug, Serialize, Deserialize)]
struct SearchInfo {
total: u32,
offset: u32,
#[serde(rename = "pageSize")]
page_size: u32,
#[serde(rename = "resData")]
res_data: Vec<IssueData>,
}
#[derive(Debug, Serialize, Deserialize)]
struct IssueData {
#[serde(rename = "editionId")]
edition_id: u32,
#[serde(rename = "pageNumber")]
page_nr: u32,
#[serde(
rename = "publicationDate",
deserialize_with = "crate::date::deserialize"
)]
publication_date: Date,
}
#[derive(Debug, Serialize, Deserialize)]
struct PagesResult {
data: PagesInfo,
}
#[derive(Debug, Serialize, Deserialize)]
struct PagesInfo {
pages: Vec<Page>,
}
#[derive(Debug, Serialize, Deserialize)]
struct Page {
#[serde(rename = "pmPageNumber")]
page_nr: u32,
#[serde(rename = "pageDocUrl")]
doc: PageDoc,
}
#[derive(Debug, Serialize, Deserialize)]
struct PageDoc {
#[serde(rename = "HIGHRES")]
link: PageHighRes,
}
#[derive(Debug, Serialize, Deserialize)]
struct PageHighRes {
url: String,
}
/// A single NZZ issue.
#[derive(Debug, Clone)]
pub struct Issue {
/// Date of publication.
pub publication_date: Date,
/// ordered vector of page urls in the issue.
pub pages: Vec<String>,
}
impl SearchData {
pub fn new(offset: u32, start_date: Date, end_date: Date) -> Self {
Self {
query: "".to_string(),
offset,
sort_field: "media_ts".to_string(),
sort_order: "desc".to_string(),
start_date,
end_date,
}
}
}
/// Search all issues between `from` and `to` (inclusive) using an `offset` into the results.
async fn offset_search(offset: u32, cookie: &str, from: Date, to: Date) -> Result<SearchInfo> {
let data = SearchData::new(offset, from, to);
let result: SearchResult = reqwest::Client::new()
.post(SEARCH_URL)
.header("Cookie", cookie)
.json(&data)
.send()
.await?
.json()
.await?;
Ok(result.data)
}
/// Only keep first pages, they are enough to get the edition id.
fn filter_issues(unfiltered_issues: Vec<IssueData>) -> Vec<IssueData> {
unfiltered_issues
.into_iter()
.filter(|info| info.page_nr == 1)
.collect()
}
/// Search all issues between `from` and `to` (inclusive) respecting pagination.
async fn search(cookie: &str, from: Date, to: Date) -> Result<Vec<IssueData>> {
info!("looking for issues between {from} to {to}");
let mut result = offset_search(0, cookie, from, to).await?;
let mut issues: Vec<IssueData> = filter_issues(result.res_data);
while result.offset + result.page_size < result.total {
result = offset_search(result.offset + result.page_size, cookie, from, to).await?;
issues.extend(filter_issues(result.res_data));
}
Ok(issues)
}
/// Fetch all page urls for the issue with eddition id `edition_id` and order them by page number.
async fn build_pages(cookie: &str, edition_id: u32) -> Result<Vec<String>> {
let result: PagesResult = reqwest::Client::new()
.post(ISSUE_URL)
.header("Cookie", cookie)
.json(&serde_json::json!({
"editionId": edition_id,
}))
.send()
.await?
.json()
.await?;
let mut pages: Vec<(u32, String)> = result
.data
.pages
.into_iter()
.map(|page| (page.page_nr, page.doc.link.url))
.collect();
pages.sort_by(|a, b| a.0.cmp(&b.0));
let pages = pages.into_iter().map(|page| page.1).collect();
Ok(pages)
}
/// Fetch all page urls for `issues`.
async fn build_issues(cookie: &str, issues: Vec<IssueData>) -> Result<Vec<Issue>> {
let mut hydrated_issues = Vec::new();
for issue in issues {
info!(
"fetching page information for issue {}",
issue.publication_date
);
let pages = build_pages(cookie, issue.edition_id).await?;
hydrated_issues.push(Issue {
publication_date: issue.publication_date,
pages,
});
}
Ok(hydrated_issues)
}
/// Fetch issue information in the date range `from`- `to` (inclusive) using `cookie`for
/// authentication.
pub async fn fetch(cookie: &str, from: Date, to: Date) -> Result<Vec<Issue>> {
let issues = search(cookie, from, to).await?;
let issues = build_issues(cookie, issues).await?;
Ok(issues)
}

177
download/src/pdf.rs Normal file
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@ -0,0 +1,177 @@
//! Manipulate pdf documents.
use std::{
collections::BTreeMap,
path::{Path, PathBuf},
};
use anyhow::Result;
use lopdf::{Dictionary, Document, Object, ObjectId};
const METADATA_TITLE: &str = "Title";
const METADATA_PRODUCER: &str = "Producer";
const PDF_VERSION: &str = "1.8";
const PRODUCER: &str = "NZZ Downloader";
/// Merge the provided pdfs in the `input` vector to one pdf in `out`, setting its title to
/// `title`.
///
/// The code is from https://github.com/J-F-Liu/lopdf/blob/6b04581640e061bfeb39b585e50a7e9d102b8fe2/examples/merge.rs
/// with some modifications. I have no clue about PDF structure and this is still a bit of a
/// mistery to me.
pub fn merge(input: Vec<PathBuf>, out: &Path, title: &str) -> Result<()> {
let mut max_id = 1;
let mut documents_pages = BTreeMap::new();
let mut documents_objects = BTreeMap::new();
let mut merged_doc = Document::with_version(PDF_VERSION);
for pdf in input {
let mut doc = Document::load(pdf)?;
doc.renumber_objects_with(max_id);
max_id = doc.max_id + 1;
documents_pages.extend(
doc.get_pages()
.into_values()
.map(|object_id| (object_id, doc.get_object(object_id).unwrap().to_owned()))
.collect::<BTreeMap<ObjectId, Object>>(),
);
documents_objects.extend(doc.objects);
}
let mut catalog_object: Option<(ObjectId, Object)> = None;
let mut pages_object: Option<(ObjectId, Object)> = None;
// Process all objects except "Page" type
for (object_id, object) in documents_objects.iter() {
// We have to ignore "Page" (as are processed later), "Outlines" and "Outline" objects
// All other objects should be collected and inserted into the main Document
match object.type_name().unwrap_or("") {
"Catalog" => {
// Collect a first "Catalog" object and use it for the future "Pages"
catalog_object = Some((
if let Some((id, _)) = catalog_object {
id
} else {
*object_id
},
object.clone(),
));
}
"Pages" => {
// Collect and update a first "Pages" object and use it for the future "Catalog"
// We have also to merge all dictionaries of the old and the new "Pages" object
if let Ok(dictionary) = object.as_dict() {
let mut dictionary = dictionary.clone();
if let Some((_, ref object)) = pages_object {
if let Ok(old_dictionary) = object.as_dict() {
dictionary.extend(old_dictionary);
}
}
pages_object = Some((
if let Some((id, _)) = pages_object {
id
} else {
*object_id
},
Object::Dictionary(dictionary),
));
}
}
"Page" => {} // Ignored, processed later and separately
"Outlines" => {} // Ignored, not supported yet
"Outline" => {} // Ignored, not supported yet
_ => {
merged_doc.max_id += 1;
merged_doc.objects.insert(*object_id, object.clone());
}
}
}
for (object_id, object) in documents_pages.iter() {
if let Ok(dictionary) = object.as_dict() {
let mut dictionary = dictionary.clone();
dictionary.set("Parent", pages_object.as_ref().unwrap().0);
merged_doc
.objects
.insert(*object_id, Object::Dictionary(dictionary));
}
}
let catalog_object = catalog_object.unwrap();
let pages_object = pages_object.unwrap();
// Build a new "Pages" with updated fields
if let Ok(dictionary) = pages_object.1.as_dict() {
let mut dictionary = dictionary.clone();
// Set new pages count
dictionary.set("Count", documents_pages.len() as u32);
// Set new "Kids" list (collected from documents pages) for "Pages"
dictionary.set(
"Kids",
documents_pages
.into_keys()
.map(Object::Reference)
.collect::<Vec<_>>(),
);
merged_doc
.objects
.insert(pages_object.0, Object::Dictionary(dictionary));
}
// Build a new "Catalog" with updated fields
if let Ok(dictionary) = catalog_object.1.as_dict() {
let mut dictionary = dictionary.clone();
dictionary.set("Pages", pages_object.0);
dictionary.remove(b"Outlines"); // Outlines not supported in merged PDFs
merged_doc
.objects
.insert(catalog_object.0, Object::Dictionary(dictionary));
}
merged_doc.trailer.set("Root", catalog_object.0);
set_metadata(METADATA_TITLE, title, &mut merged_doc);
set_metadata(METADATA_PRODUCER, PRODUCER, &mut merged_doc);
// Update the max internal ID as wasn't updated before due to direct objects insertion
merged_doc.max_id = merged_doc.objects.len() as u32;
// Reorder all new Document objects
merged_doc.renumber_objects();
merged_doc.compress();
merged_doc.save(out)?;
Ok(())
}
/// Set metadata `key` to `value`.
///
/// Add the `Info trailer to the pdf document if it does not yet exist.`
fn set_metadata(key: &str, value: &str, doc: &mut Document) {
let info_dict_id = match doc.trailer.get(b"Info") {
Ok(&Object::Reference(id)) => id,
_ => {
// without this the following add_object call overwrites an existing
// object at max_id
doc.max_id += 1;
let id = doc.add_object(Dictionary::new());
doc.trailer.set("Info", Object::Reference(id));
id
}
};
if let Some(Object::Dictionary(ref mut info_dict)) = doc.objects.get_mut(&info_dict_id) {
info_dict.set(key, Object::string_literal(value));
}
}

55
flake.lock
View File

@ -1,5 +1,24 @@
{ {
"nodes": { "nodes": {
"fenix": {
"inputs": {
"nixpkgs": "nixpkgs",
"rust-analyzer-src": "rust-analyzer-src"
},
"locked": {
"lastModified": 1719901701,
"narHash": "sha256-7yztwIit3Ei6wySJDmRjhrP2VWwfoYifofwJPRXdjDQ=",
"owner": "nix-community",
"repo": "fenix",
"rev": "b7a33f57c6756e4c50f9c46189f8374841c764e8",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"flake-utils": { "flake-utils": {
"inputs": { "inputs": {
"systems": "systems" "systems": "systems"
@ -19,6 +38,22 @@
} }
}, },
"nixpkgs": { "nixpkgs": {
"locked": {
"lastModified": 1719690277,
"narHash": "sha256-0xSej1g7eP2kaUF+JQp8jdyNmpmCJKRpO12mKl/36Kc=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "2741b4b489b55df32afac57bc4bfd220e8bf617e",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs_2": {
"locked": { "locked": {
"lastModified": 1719075281, "lastModified": 1719075281,
"narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=", "narHash": "sha256-CyyxvOwFf12I91PBWz43iGT1kjsf5oi6ax7CrvaMyAo=",
@ -36,8 +71,26 @@
}, },
"root": { "root": {
"inputs": { "inputs": {
"fenix": "fenix",
"flake-utils": "flake-utils", "flake-utils": "flake-utils",
"nixpkgs": "nixpkgs" "nixpkgs": "nixpkgs_2"
}
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1719842244,
"narHash": "sha256-QMWaT8yN6AeyUpbLMakahwdZhiNdYvlUVOd07zbi7ss=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "1b283db47f8de1412c851c92bb4ce4ef039ff8ff",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
} }
}, },
"systems": { "systems": {

13
flake.nix
View File

@ -3,14 +3,21 @@
inputs = { inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils"; flake-utils.url = "github:numtide/flake-utils";
fenix.url = "github:nix-community/fenix";
}; };
outputs = outputs =
{ nixpkgs, flake-utils, ... }: {
nixpkgs,
flake-utils,
fenix,
...
}:
flake-utils.lib.eachDefaultSystem ( flake-utils.lib.eachDefaultSystem (
system: system:
let let
pkgs = import nixpkgs { inherit system; }; pkgs = import nixpkgs { inherit system; };
rust = fenix.packages.${system}.stable;
in in
{ {
devShells.default = devShells.default =
@ -18,7 +25,9 @@
mkShell { mkShell {
buildInputs = [ buildInputs = [
geckodriver geckodriver
nodejs_22 rust.toolchain
cargo-deny
rust-analyzer
]; ];
}; };
} }

335
nzz.js
View File

@ -1,335 +0,0 @@
#!/usr/bin/env node
/* Copyright (c) Sebastian Hugentobler <shu@vanwa.ch> 2024.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
const tmp = require("tmp");
const path = require("path");
const fs = require("fs");
const { Builder, By, Capabilities, Key, until } = require("selenium-webdriver");
const fx = require("selenium-webdriver/firefox");
const yargs = require("yargs/yargs");
const { hideBin } = require("yargs/helpers");
const URL = "https://zeitungsarchiv.nzz.ch/";
const WAIT_TIMEOUT = 10000;
const TIMEOUT_MSG = `Timeout after ${WAIT_TIMEOUT / 1000} seconds.`;
const SEARCH_WAIT_TIMEOUT = 15000;
const SEARCH_TIMEOUT_MSG = `Timeout after ${SEARCH_WAIT_TIMEOUT / 1000} seconds.`;
const DOWNLOAD_TIMEOUT = 20000;
const USER_AGENT =
"Mozilla/5.0 (X11; Linux x86_64; rv:127.0) Gecko/20100101 Firefox/127.0";
Date.prototype.isoDate = function () {
return `${this.getFullYear()}-${String(this.getMonth() + 1).padStart(2, "0")}-${String(this.getDate()).padStart(2, "0")}`;
};
Date.prototype.nzzDate = function () {
return `${String(this.getDate()).padStart(2, "0")}.${String(this.getMonth() + 1).padStart(2, "0")}.${this.getFullYear()}`;
};
Date.prototype.addDays = function (days) {
const date = new Date(this.valueOf());
date.setDate(date.getDate() + days);
return date;
};
function sleep(ms) {
return new Promise((resolve) => {
setTimeout(resolve, ms);
});
}
/**
* Wait for an in progress download to finish and move the file to the correct
* destination.
*
* @param {fs.PathLike} tmpDir Download directory.
* @param {fs.PathLike} outDir Final destination directory.
* @param {Date} date Date of the issue.
*/
function moveDownload(tmpDir, outDir, date) {
return new Promise((resolve) => {
const srcFile = path.join(
tmpDir,
`Gesamtausgabe_NZZ_-_Neue_Zürcher_Zeitung_${date.isoDate()}.pdf`,
);
if (!fs.existsSync(srcFile)) {
setTimeout(() => moveDownload(tmpDir, outDir, date), 2000);
}
const destFile = path.join(outDir, `${date.isoDate()}.pdf`);
try {
fs.copyFileSync(srcFile, destFile);
} catch {
// this means we tried to download a wrong issue
}
resolve();
});
}
/**
* Enter the dates of the issue to download.
*
* @param {WebDriver} driver Selenium driver to use.
* @param {Date} date Date of the issue.
*/
async function enterDate(driver, date) {
const dateString = date.nzzDate();
const startDate = await driver.wait(
until.elementLocated(By.css("input.fup-s-date-start")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(startDate), WAIT_TIMEOUT);
await driver.actions().scroll(0, 0, 0, 0, startDate).perform();
await startDate.clear();
await startDate.sendKeys(dateString);
const endDate = await driver.wait(
until.elementLocated(By.css("input.fup-s-date-end")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await endDate.clear();
await endDate.sendKeys(dateString + Key.ENTER);
await sleep(500);
}
/**
* Login to the NZZ archive.
*
* @param {WebDriver} driver Selenium driver to use.
* @param {String} user Username for the login.
* @param {String} password Password for the user.
*/
async function login(driver, user, password) {
console.log("logging in...");
await driver.get(URL);
await sleep(500);
const loginButton = await driver.findElement(
By.css(".fup-menu-login-container"),
);
await driver.wait(until.elementIsVisible(loginButton), WAIT_TIMEOUT);
await loginButton.click();
const iframe = await driver.findElement(By.css('iframe[id^="piano"]'));
await driver.switchTo().frame(iframe);
const emailField = await driver.wait(
until.elementLocated(By.css('input[name="email"]')),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(emailField), WAIT_TIMEOUT);
await emailField.sendKeys(user);
const pwField = await driver.wait(
until.elementLocated(By.css('input[type="password"]')),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await pwField.sendKeys(password);
const submitButton = await driver.wait(
until.elementLocated(By.css('button[class="btn prime"]')),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(submitButton), WAIT_TIMEOUT);
await submitButton.click();
await driver.switchTo().defaultContent();
await sleep(500);
const loginMenu = await driver.wait(
until.elementLocated(
By.css(".fup-login-open.fup-button.fup-s-menu-login-open"),
),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(loginMenu), WAIT_TIMEOUT);
}
/**
* Start the download of a full issue.
*
* @param {WebDriver} driver Selenium driver to use.
*/
async function download(driver) {
const menu = await driver.wait(
until.elementLocated(By.css(".fup-menu-item-download")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await menu.click();
const download = await driver.wait(
until.elementLocated(By.css(".fup-s-menu-download-edition-confirmation")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await download.click();
const loadingMask = await driver.wait(
until.elementLocated(By.css(".fup-loading-mask")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(loadingMask), DOWNLOAD_TIMEOUT);
await driver.wait(until.stalenessOf(loadingMask), DOWNLOAD_TIMEOUT);
const back = await driver.wait(
until.elementLocated(By.css(".fup-s-menu-back")),
WAIT_TIMEOUT,
TIMEOUT_MSG,
);
await driver.wait(until.elementIsVisible(back), WAIT_TIMEOUT);
// back.click();
await sleep(500);
}
/**
* Download all issues in a certain time span.
*
* @param {WebDriver} driver Selenium driver to use.
* @param {Date} from Earliest issue to download.
* @param {Date} to Latest issue to download.
* @param {fs.PathLike} tmpDir Download directory.
* @param {fs.PathLike} outDir Final destination directory.
*/
async function findIssues(driver, from, to, tmpDir, outDir) {
from = from.addDays(-1);
while (from.toDateString() !== to.toDateString()) {
from = from.addDays(1);
console.log(`checking ${from.isoDate()}...`);
await enterDate(driver, from);
try {
const articles = await driver.wait(
until.elementsLocated(By.css(".fup-archive-result-item-article-title")),
SEARCH_WAIT_TIMEOUT,
SEARCH_TIMEOUT_MSG,
);
await articles[0].click();
await sleep(500);
await download(driver);
console.log(`\tdownloading...`);
await sleep(500);
// do this in the background
moveDownload(tmpDir, outDir, from);
await driver.get(URL);
} catch {
// this means there is no issue on the searched date
// move along with the next date
console.log(`\tno issues`);
}
}
}
/**
* Setup the headless browser and download all issues in the specified time span.
*
* @param {Date} from Earliest issue to download.
* @param {Date} to Latest issue to download.
* @param {String} user Username for the nzz archive.
* @param {String} password Password for the user.
* @param {fs.PathLike} outDir Final destination directory.
*/
async function run(from, to, user, password, outDir) {
if (!fs.existsSync(outDir)) {
fs.mkdirSync(outDir);
}
const tmpDir = tmp.dirSync();
console.log(`downloading to ${outDir} (tmp dir: ${tmpDir.name})...`);
const fxOptions = new fx.Options()
.addArguments("-headless")
.setPreference("pdfjs.disabled", true)
.setPreference("general.useragent.override", USER_AGENT)
.setPreference("browser.helperApps.neverAsk.openFile", "application/pdf")
.setPreference("browser.download.folderList", 2)
.setPreference("browser.download.manager.showWhenStartingout", false)
.setPreference("browser.download.dir", tmpDir.name)
.setPreference("browser.helperApps.neverAsk.saveToDisk", "application/pdf");
const caps = new Capabilities();
caps.setPageLoadStrategy("normal");
const driver = await new Builder()
.withCapabilities(caps)
.forBrowser("firefox")
.setFirefoxOptions(fxOptions)
.build();
try {
await login(driver, user, password);
await findIssues(driver, from, to, tmpDir.name, outDir);
await sleep(1000);
} finally {
await fs.rm(tmpDir.name, { recursive: true }, (e) => {
if (e) {
console.error(`failed to remove tmp directory: ${e}`);
}
});
await driver.quit();
}
}
/**
* Parse arguments and start the downloading of the issues.
*/
(function init() {
const now = new Date();
const nowString = now.isoDate();
const argv = yargs(hideBin(process.argv))
.usage(
"Usage: $0 -f [date] -t [date] -o [path] -u [usernane] -p [password]",
)
.demandOption(["u", "p"])
.help("h")
.describe("f", "Earliest issue to download.")
.describe("t", "Latest issue to download.")
.describe("o", "Download directory.")
.describe("u", "Username for the nzz archive.")
.describe("p", "Password for the user.")
.alias("h", "help")
.alias("f", "from")
.alias("t", "to")
.alias("o", "out")
.alias("u", "user")
.alias("p", "password")
.default("f", nowString)
.default("t", nowString)
.default("o", "./nzz")
.epilog("Copyright (c) Sebastian Hugentobler <shu@vanwa.ch> 2024")
.example(
"$0 -u 'myuser@example.com' -p 'mypassword' -f 1780-01-01 -t 1780-02-30",
'Download all existing issues from 01-01-1780 until 30-02-1780 to the default directory "./nzz"',
).argv;
const from = new Date(argv.from);
const to = new Date(argv.to);
if (from > to) {
console.error('"from" date must be before "to" date');
process.exit(1);
}
run(from, to, argv.user, argv.password, argv.out);
})();

528
package-lock.json generated
View File

@ -1,528 +0,0 @@
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{
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