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79 lines
2.7 KiB
Rust
79 lines
2.7 KiB
Rust
/*
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* Copyright 2007 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// package com.google.zxing.client.result;
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// import com.google.zxing.RXingResult;
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// import java.util.regex.Pattern;
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use regex::Regex;
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use crate::RXingResult;
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use super::{EmailAddressParsedRXingResult, ParsedClientResult, ResultParser};
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use once_cell::sync::Lazy;
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static ATEXT_ALPHANUMERIC: Lazy<Regex> =
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Lazy::new(|| Regex::new("[a-zA-Z0-9@.!#$%&'*+\\-/=?^_`{|}~]+").unwrap());
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/**
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* Implements the "MATMSG" email message entry format.
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*
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* Supported keys: TO, SUB, BODY
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*
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* @author Sean Owen
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*/
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pub fn parse(result: &RXingResult) -> Option<ParsedClientResult> {
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let rawText = ResultParser::getMassagedText(result);
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if !rawText.starts_with("MATMSG:") {
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return None;
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}
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let tos = ResultParser::match_docomo_prefixed_field("TO:", &rawText)?;
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for to in &tos {
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if !isBasicallyValidEmailAddress(to, &ATEXT_ALPHANUMERIC) {
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return None;
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}
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}
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let subject = ResultParser::match_single_docomo_prefixed_field("SUB:", &rawText, false)
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.unwrap_or_default();
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let body = ResultParser::match_single_docomo_prefixed_field("BODY:", &rawText, false)
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.unwrap_or_default();
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Some(ParsedClientResult::EmailResult(
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EmailAddressParsedRXingResult::with_details(tos, Vec::new(), Vec::new(), subject, body),
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))
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}
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/**
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* This implements only the most basic checking for an email address's validity -- that it contains
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* an '@' and contains no characters disallowed by RFC 2822. This is an overly lenient definition of
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* validity. We want to generally be lenient here since this class is only intended to encapsulate what's
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* in a barcode, not "judge" it.
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*/
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pub fn isBasicallyValidEmailAddress(email: &str, regex: &Regex) -> bool {
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let email_exists = !email.is_empty();
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let email_has_at = email.find('@').is_some();
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let email_alphamatcher = if let Some(mtch) = regex.find(email) {
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mtch.start() == 0 && mtch.end() == email.len()
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} else {
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false
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};
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email_exists && email_alphamatcher && email_has_at
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// return email != null && ATEXT_ALPHANUMERIC.matcher(email).matches() && email.indexOf('@') >= 0;
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}
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