jelq

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an http based roguelike rpg about jelqing

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use std::collections::HashMap;

use axum::http::{StatusCode, header};
use rand::Rng;

use super::{
    Cause, Floor, Run,
    balance::{PATIENCE, VIRAL_ERRAND},
    parse_credentials,
};
use crate::problem::Problem;

const EXCUSES: [&str; 3] = ["changing", "homework", "pulled a muscle"];
const CHRISTMAS_EXCUSES: [&str; 3] = ["on a call", "wrapping presents", "folding the washing"];
const TRUTHS: [&str; 3] = ["the truth", "truth", "honesty"];
const TRUE_WHEN_PULLED: &str = "pulled a muscle";

const BEDROOM_ERRANDS: [&str; 4] = [
    "She has brought your washing.",
    "She wants to know if you have eaten.",
    "She needs the wifi password.",
    "She would like to talk about your future.",
];
const CHRISTMAS_ERRANDS: [&str; 4] = [
    "Nan would like to see you.",
    "Christmas dinner is in ten minutes.",
    "The King's speech is about to start.",
    "An uncle has asked where you went.",
];

fn digest_params(authorization: &str) -> Option<HashMap<String, String>> {
    let (scheme, rest) = authorization.trim().split_once(' ')?;
    if !scheme.eq_ignore_ascii_case("digest") {
        return None;
    }
    Some(
        rest.split(',')
            .filter_map(|pair| {
                let (key, value) = pair.split_once('=')?;
                Some((
                    key.trim().to_ascii_lowercase(),
                    value.trim().trim_matches('"').to_owned(),
                ))
            })
            .collect(),
    )
}

fn spoken(authorization: &str) -> String {
    authorization
        .split_once(' ')
        .map(|(_, rest)| rest.trim().trim_matches('"').to_ascii_lowercase())
        .unwrap_or_default()
}

impl Run {
    pub fn excuses(&self) -> Vec<&'static str> {
        if self.floor.number() < Floor::Nans.number() {
            return EXCUSES.to_vec();
        }
        EXCUSES
            .into_iter()
            .chain(CHRISTMAS_EXCUSES)
            .filter(|e| !self.heard.iter().any(|h| h == e))
            .collect()
    }

    pub(super) fn errand(&mut self, summoned: bool) -> &'static str {
        if summoned {
            return "She heard a noise.";
        }
        if self.filmed_at.is_some() && self.chance(VIRAL_ERRAND) {
            return "A neighbour has sent her something.";
        }
        let errands = if self.floor == Floor::Nans {
            CHRISTMAS_ERRANDS
        } else {
            BEDROOM_ERRANDS
        };
        errands[self.rng.random_range(0..errands.len())]
    }

    /// Mum answers every request on the run until she has been given something she believes.
    pub fn answer_door(&mut self, authorization: Option<&str>) -> Result<(), Problem> {
        let Some((errand, nonce)) = self.mum.as_ref().map(|v| (v.errand, v.nonce.clone())) else {
            return Ok(());
        };
        let digest = self.floor == Floor::Nans;
        let challenge_value = if digest {
            format!("Digest realm=\"household\", nonce=\"{nonce}\"")
        } else {
            "Excuse realm=\"household\"".to_owned()
        };
        let challenge = |p: Problem| p.header(header::WWW_AUTHENTICATE, &challenge_value);

        let Some(authorization) = authorization else {
            return Err(challenge(
                Problem::new(
                    StatusCode::UNAUTHORIZED,
                    "someone-at-the-door",
                    format!("Someone is at the door. {errand}"),
                )
                .with("inventory", self.path("/inventory")),
            ));
        };

        if TRUTHS.contains(&spoken(authorization).as_str()) {
            self.shame += 10;
            self.leave_door();
            return Ok(());
        }
        if parse_credentials(authorization, "basic").is_some() {
            return Err(self.mum_strike(challenge(Problem::new(
                StatusCode::UNAUTHORIZED,
                "basic",
                "Mum does not accept Basic authentication. Nobody should.",
            ))));
        }

        let excuse = if digest {
            let Some(params) = digest_params(authorization) else {
                return Err(self.mum_strike(challenge(Problem::new(
                    StatusCode::UNAUTHORIZED,
                    "digest-required",
                    "Mum has started using Digest authentication.",
                ))));
            };
            if params.get("nonce") != Some(&nonce) {
                return Err(self.mum_strike(challenge(Problem::new(
                    StatusCode::UNAUTHORIZED,
                    "stale-nonce",
                    "That was a different conversation.",
                ))));
            }
            params.get("username").cloned().unwrap_or_default()
        } else {
            parse_credentials(authorization, "excuse")
                .unwrap_or_default()
                .to_owned()
        };
        let excuse = excuse.to_ascii_lowercase();

        if TRUTHS.contains(&excuse.as_str()) {
            self.shame += 10;
            self.leave_door();
            return Ok(());
        }
        let true_now = self.conditions.pulled_muscle && excuse == TRUE_WHEN_PULLED;
        if digest && self.heard.contains(&excuse) && !true_now {
            self.shame += 3;
            return Err(self.mum_strike(challenge(Problem::new(
                StatusCode::UNAUTHORIZED,
                "excuse-replayed",
                "Mum has heard that one before. She would have preferred the truth.",
            ))));
        }
        if true_now || self.excuses().contains(&excuse.as_str()) {
            self.heard.push(excuse);
            self.leave_door();
            return Ok(());
        }
        self.shame += 3;
        let detail = if digest {
            "Mum has not heard that one before. She does not believe it. She would have preferred the truth."
        } else {
            "Mum has not heard that one before. She does not believe it."
        };
        Err(self.mum_strike(challenge(Problem::new(
            StatusCode::UNAUTHORIZED,
            "excuse-rejected",
            detail,
        ))))
    }

    fn mum_strike(&mut self, problem: Problem) -> Problem {
        self.touch();
        let Some(visit) = &mut self.mum else {
            return problem;
        };
        visit.strikes += 1;
        if visit.strikes < PATIENCE {
            return problem;
        }
        self.end(Cause::Caught)
    }

    fn leave_door(&mut self) {
        self.mum = None;
        self.suspicion = 0;
        self.touch();
    }
}

1	use std::collections::HashMap;
2
3	use axum::http::{StatusCode, header};
4	use rand::Rng;
5
6	use super::{
7	Cause, Floor, Run,
8	balance::{PATIENCE, VIRAL_ERRAND},
9	parse_credentials,
10	};
11	use crate::problem::Problem;
12
13	const EXCUSES: [&str; 3] = ["changing", "homework", "pulled a muscle"];
14	const CHRISTMAS_EXCUSES: [&str; 3] = ["on a call", "wrapping presents", "folding the washing"];
15	const TRUTHS: [&str; 3] = ["the truth", "truth", "honesty"];
16	const TRUE_WHEN_PULLED: &str = "pulled a muscle";
17
18	const BEDROOM_ERRANDS: [&str; 4] = [
19	"She has brought your washing.",
20	"She wants to know if you have eaten.",
21	"She needs the wifi password.",
22	"She would like to talk about your future.",
23	];
24	const CHRISTMAS_ERRANDS: [&str; 4] = [
25	"Nan would like to see you.",
26	"Christmas dinner is in ten minutes.",
27	"The King's speech is about to start.",
28	"An uncle has asked where you went.",
29	];
30
31	fn digest_params(authorization: &str) -> Option<HashMap<String, String>> {
32	let (scheme, rest) = authorization.trim().split_once(' ')?;
33	if !scheme.eq_ignore_ascii_case("digest") {
34	return None;
35	}
36	Some(
37	rest.split(',')
38	.filter_map(\|pair\| {
39	let (key, value) = pair.split_once('=')?;
40	Some((
41	key.trim().to_ascii_lowercase(),
42	value.trim().trim_matches('"').to_owned(),
43	))
44	})
45	.collect(),
46	)
47	}
48
49	fn spoken(authorization: &str) -> String {
50	authorization
51	.split_once(' ')
52	.map(\|(_, rest)\| rest.trim().trim_matches('"').to_ascii_lowercase())
53	.unwrap_or_default()
54	}
55
56	impl Run {
57	pub fn excuses(&self) -> Vec<&'static str> {
58	if self.floor.number() < Floor::Nans.number() {
59	return EXCUSES.to_vec();
60	}
61	EXCUSES
62	.into_iter()
63	.chain(CHRISTMAS_EXCUSES)
64	.filter(\|e\| !self.heard.iter().any(\|h\| h == e))
65	.collect()
66	}
67
68	pub(super) fn errand(&mut self, summoned: bool) -> &'static str {
69	if summoned {
70	return "She heard a noise.";
71	}
72	if self.filmed_at.is_some() && self.chance(VIRAL_ERRAND) {
73	return "A neighbour has sent her something.";
74	}
75	let errands = if self.floor == Floor::Nans {
76	CHRISTMAS_ERRANDS
77	} else {
78	BEDROOM_ERRANDS
79	};
80	errands[self.rng.random_range(0..errands.len())]
81	}
82
83	/// Mum answers every request on the run until she has been given something she believes.
84	pub fn answer_door(&mut self, authorization: Option<&str>) -> Result<(), Problem> {
85	let Some((errand, nonce)) = self.mum.as_ref().map(\|v\| (v.errand, v.nonce.clone())) else {
86	return Ok(());
87	};
88	let digest = self.floor == Floor::Nans;
89	let challenge_value = if digest {
90	format!("Digest realm=\"household\", nonce=\"{nonce}\"")
91	} else {
92	"Excuse realm=\"household\"".to_owned()
93	};
94	let challenge = \|p: Problem\| p.header(header::WWW_AUTHENTICATE, &challenge_value);
95
96	let Some(authorization) = authorization else {
97	return Err(challenge(
98	Problem::new(
99	StatusCode::UNAUTHORIZED,
100	"someone-at-the-door",
101	format!("Someone is at the door. {errand}"),
102	)
103	.with("inventory", self.path("/inventory")),
104	));
105	};
106
107	if TRUTHS.contains(&spoken(authorization).as_str()) {
108	self.shame += 10;
109	self.leave_door();
110	return Ok(());
111	}
112	if parse_credentials(authorization, "basic").is_some() {
113	return Err(self.mum_strike(challenge(Problem::new(
114	StatusCode::UNAUTHORIZED,
115	"basic",
116	"Mum does not accept Basic authentication. Nobody should.",
117	))));
118	}
119
120	let excuse = if digest {
121	let Some(params) = digest_params(authorization) else {
122	return Err(self.mum_strike(challenge(Problem::new(
123	StatusCode::UNAUTHORIZED,
124	"digest-required",
125	"Mum has started using Digest authentication.",
126	))));
127	};
128	if params.get("nonce") != Some(&nonce) {
129	return Err(self.mum_strike(challenge(Problem::new(
130	StatusCode::UNAUTHORIZED,
131	"stale-nonce",
132	"That was a different conversation.",
133	))));
134	}
135	params.get("username").cloned().unwrap_or_default()
136	} else {
137	parse_credentials(authorization, "excuse")
138	.unwrap_or_default()
139	.to_owned()
140	};
141	let excuse = excuse.to_ascii_lowercase();
142
143	if TRUTHS.contains(&excuse.as_str()) {
144	self.shame += 10;
145	self.leave_door();
146	return Ok(());
147	}
148	let true_now = self.conditions.pulled_muscle && excuse == TRUE_WHEN_PULLED;
149	if digest && self.heard.contains(&excuse) && !true_now {
150	self.shame += 3;
151	return Err(self.mum_strike(challenge(Problem::new(
152	StatusCode::UNAUTHORIZED,
153	"excuse-replayed",
154	"Mum has heard that one before. She would have preferred the truth.",
155	))));
156	}
157	if true_now \|\| self.excuses().contains(&excuse.as_str()) {
158	self.heard.push(excuse);
159	self.leave_door();
160	return Ok(());
161	}
162	self.shame += 3;
163	let detail = if digest {
164	"Mum has not heard that one before. She does not believe it. She would have preferred the truth."
165	} else {
166	"Mum has not heard that one before. She does not believe it."
167	};
168	Err(self.mum_strike(challenge(Problem::new(
169	StatusCode::UNAUTHORIZED,
170	"excuse-rejected",
171	detail,
172	))))
173	}
174
175	fn mum_strike(&mut self, problem: Problem) -> Problem {
176	self.touch();
177	let Some(visit) = &mut self.mum else {
178	return problem;
179	};
180	visit.strikes += 1;
181	if visit.strikes < PATIENCE {
182	return problem;
183	}
184	self.end(Cause::Caught)
185	}
186
187	fn leave_door(&mut self) {
188	self.mum = None;
189	self.suspicion = 0;
190	self.touch();
191	}
192	}