add interac e-transfer question/answer validation

core/src/main/resources/i18n/displayStrings.properties

@@ -2406,6 +2406,10 @@ validation.iban.checkSumInvalid=IBAN checksum is invalid
 validation.iban.invalidLength=Number must have length 15 to 34 chars.
 validation.interacETransfer.invalidAreaCode=Non-Canadian area code
 validation.interacETransfer.invalidPhone=Invalid phone number format and not an email address
+validation.interacETransfer.invalidQuestion=Must contain only letters, numbers, spaces and/or the symbols ' _ , . ? -
+validation.interacETransfer.invalidAnswer=Must be one word and contain only letters, numbers, and/or the symbol -
 validation.inputTooLarge=Input must not be larger than {0}
 validation.inputTooSmall=Input has to be larger than {0}
 validation.amountBelowDust=The amount below the dust limit of {0} is not allowed.
+validation.length=Length must be between {0} and {1}
+validation.pattern=Input must be of format: {0}

desktop/src/main/java/bisq/desktop/components/paymentmethods/InteracETransferForm.java

@@ -86,14 +86,14 @@ public void addFormForAddAccount() {
         });
 
         InputTextField questionInputTextField = FormBuilder.addLabelInputTextField(gridPane, ++gridRow, Res.get("payment.secret")).second;
-        questionInputTextField.setValidator(inputValidator);
+        questionInputTextField.setValidator(interacETransferValidator.questionValidator);
         questionInputTextField.textProperty().addListener((ov, oldValue, newValue) -> {
             interacETransferAccount.setQuestion(newValue);
             updateFromInputs();
         });
 
         InputTextField answerInputTextField = FormBuilder.addLabelInputTextField(gridPane, ++gridRow, Res.get("payment.answer")).second;
-        answerInputTextField.setValidator(inputValidator);
+        answerInputTextField.setValidator(interacETransferValidator.answerValidator);
         answerInputTextField.textProperty().addListener((ov, oldValue, newValue) -> {
             interacETransferAccount.setAnswer(newValue);
             updateFromInputs();
@@ -143,8 +143,8 @@ public void updateAllInputsValid() {
         allInputsValid.set(isAccountNameValid()
                 && interacETransferValidator.validate(interacETransferAccount.getEmail()).isValid
                 && inputValidator.validate(interacETransferAccount.getHolderName()).isValid
-                && inputValidator.validate(interacETransferAccount.getQuestion()).isValid
-                && inputValidator.validate(interacETransferAccount.getAnswer()).isValid
+                && interacETransferValidator.questionValidator.validate(interacETransferAccount.getQuestion()).isValid
+                && interacETransferValidator.answerValidator.validate(interacETransferAccount.getAnswer()).isValid
                 && interacETransferAccount.getTradeCurrencies().size() > 0);
     }
 }

desktop/src/main/java/bisq/desktop/util/validation/InteracETransferAnswerValidator.java

@@ -0,0 +1,35 @@
+package bisq.desktop.util.validation;
+
+import bisq.core.locale.Res;
+import bisq.core.util.validation.InputValidator;
+
+import javax.inject.Inject;
+
+public class InteracETransferAnswerValidator extends InputValidator {
+    private LengthValidator lengthValidator;
+    private RegexValidator regexValidator;
+
+    @Inject
+    public InteracETransferAnswerValidator(LengthValidator lengthValidator, RegexValidator regexValidator) {
+
+        lengthValidator.setMinLength(3);
+        lengthValidator.setMaxLength(25);
+        this.lengthValidator = lengthValidator;
+
+        regexValidator.setPattern("[A-Za-z0-9\\-]+");
+        regexValidator.setErrorMessage(Res.get("validation.interacETransfer.invalidAnswer"));
+        this.regexValidator = regexValidator;
+    }
+
+    @Override
+    public ValidationResult validate(String input) {
+        ValidationResult result = super.validate(input);
+
+        if (result.isValid)
+            result = lengthValidator.validate(input);
+        if (result.isValid)
+            result = regexValidator.validate(input);
+
+        return result;
+    }
+}

desktop/src/main/java/bisq/desktop/util/validation/InteracETransferQuestionValidator.java

@@ -0,0 +1,35 @@
+package bisq.desktop.util.validation;
+
+import bisq.core.locale.Res;
+import bisq.core.util.validation.InputValidator;
+
+import javax.inject.Inject;
+
+public class InteracETransferQuestionValidator extends InputValidator {
+    private LengthValidator lengthValidator;
+    private RegexValidator regexValidator;
+
+    @Inject
+    public InteracETransferQuestionValidator(LengthValidator lengthValidator, RegexValidator regexValidator) {
+
+        lengthValidator.setMinLength(1);
+        lengthValidator.setMaxLength(40);
+        this.lengthValidator = lengthValidator;
+
+        regexValidator.setPattern("[A-Za-z0-9\\-\\_\\'\\,\\.\\? ]+");
+        regexValidator.setErrorMessage(Res.get("validation.interacETransfer.invalidQuestion"));
+        this.regexValidator = regexValidator;
+    }
+
+    @Override
+    public ValidationResult validate(String input) {
+        ValidationResult result = super.validate(input);
+
+        if (result.isValid)
+            result = lengthValidator.validate(input);
+        if (result.isValid)
+            result = regexValidator.validate(input);
+
+        return result;
+    }
+}

desktop/src/main/java/bisq/desktop/util/validation/InteracETransferValidator.java

@@ -20,6 +20,8 @@
 import bisq.core.locale.Res;
 import bisq.core.util.validation.InputValidator;
 
+import javax.inject.Inject;
+
 import org.apache.commons.lang3.StringUtils;
 
 /*
@@ -42,10 +44,17 @@ public final class InteracETransferValidator extends InputValidator {
     // Public methods
     ///////////////////////////////////////////////////////////////////////////////////////////
 
-    public InteracETransferValidator() {
-        emailValidator = new EmailValidator();
+    @Inject
+    public InteracETransferValidator(EmailValidator emailValidator, InteracETransferQuestionValidator questionValidator, InteracETransferAnswerValidator answerValidator) {
+        this.emailValidator = emailValidator;
+        this.questionValidator = questionValidator;
+        this.answerValidator = answerValidator;
     }
 
+    public final InputValidator answerValidator;
+
+    public final InputValidator questionValidator;
+
     @Override
     public ValidationResult validate(String input) {
         ValidationResult result = validateIfNotEmpty(input);

desktop/src/main/java/bisq/desktop/util/validation/LengthValidator.java

@@ -0,0 +1,37 @@
+package bisq.desktop.util.validation;
+
+import bisq.core.locale.Res;
+import bisq.core.util.validation.InputValidator;
+
+public class LengthValidator extends InputValidator {
+    private int minLength;
+    private int maxLength;
+
+    public LengthValidator() {
+        this(0, Integer.MAX_VALUE);
+    }
+
+    public LengthValidator(int min, int max) {
+        this.minLength = min;
+        this.maxLength = max;
+    }
+
+    @Override
+    public ValidationResult validate(String input) {
+        ValidationResult result = new ValidationResult(true);
+        int length = (input == null) ? 0 : input.length();
+
+        if (length < this.minLength || length > this.maxLength)
+            result = new ValidationResult(false, String.format(Res.get("validation.length", this.minLength, this.maxLength)));
+
+        return result;
+    }
+
+    public void setMinLength(int minLength) {
+        this.minLength = minLength;
+    }
+
+    public void setMaxLength(int maxLength) {
+        this.maxLength = maxLength;
+    }
+}

desktop/src/main/java/bisq/desktop/util/validation/RegexValidator.java

@@ -0,0 +1,36 @@
+package bisq.desktop.util.validation;
+
+import bisq.core.locale.Res;
+import bisq.core.util.validation.InputValidator;
+
+public class RegexValidator extends InputValidator {
+    private String pattern;
+    private String errorMessage;
+
+    @Override
+    public ValidationResult validate(String input) {
+        ValidationResult result = new ValidationResult(true);
+        String message = (this.errorMessage == null) ? Res.get("validation.pattern", this.pattern) : this.errorMessage;
+        String testStr = input == null ? "" : input;
+
+        if (this.pattern == null)
+            return result;
+
+        if (!testStr.matches(this.pattern))
+            result = new ValidationResult(false, message);
+
+        return result;
+    }
+
+    public void setPattern(String pattern) {
+        this.pattern = pattern;
+    }
+
+    public String getErrorMessage() {
+        return errorMessage;
+    }
+
+    public void setErrorMessage(String errorMessage) {
+        this.errorMessage = errorMessage;
+    }
+}

desktop/src/test/java/bisq/desktop/util/validation/InteracETransferAnswerValidatorTest.java

@@ -0,0 +1,59 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.desktop.util.validation;
+
+import bisq.core.app.BisqEnvironment;
+import bisq.core.btc.BaseCurrencyNetwork;
+import bisq.core.locale.CurrencyUtil;
+import bisq.core.locale.Res;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class InteracETransferAnswerValidatorTest {
+
+    @Before
+    public void setup() {
+        final BaseCurrencyNetwork baseCurrencyNetwork = BisqEnvironment.getBaseCurrencyNetwork();
+        final String currencyCode = baseCurrencyNetwork.getCurrencyCode();
+        Res.setBaseCurrencyCode(currencyCode);
+        Res.setBaseCurrencyName(baseCurrencyNetwork.getCurrencyName());
+        CurrencyUtil.setBaseCurrencyCode(currencyCode);
+    }
+
+    @Test
+    public void validate() throws Exception {
+        InteracETransferAnswerValidator validator = new InteracETransferAnswerValidator(new LengthValidator(), new RegexValidator());
+
+        assertTrue(validator.validate("abcdefghijklmnopqrstuvwxy").isValid);
+        assertTrue(validator.validate("ABCDEFGHIJKLMNOPQRSTUVWXY").isValid);
+        assertTrue(validator.validate("1234567890").isValid);
+        assertTrue(validator.validate("zZ-").isValid);
+
+        assertFalse(validator.validate(null).isValid); // null
+        assertFalse(validator.validate("").isValid); // empty
+        assertFalse(validator.validate("two words").isValid); // two words
+        assertFalse(validator.validate("ab").isValid); // too short
+        assertFalse(validator.validate("abcdefghijklmnopqrstuvwxyz").isValid); // too long
+        assertFalse(validator.validate("abc !@#").isValid); // invalid characters
+    }
+
+}

desktop/src/test/java/bisq/desktop/util/validation/InteracETransferQuestionValidatorTest.java

@@ -0,0 +1,58 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.desktop.util.validation;
+
+import bisq.core.app.BisqEnvironment;
+import bisq.core.btc.BaseCurrencyNetwork;
+import bisq.core.locale.CurrencyUtil;
+import bisq.core.locale.Res;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class InteracETransferQuestionValidatorTest {
+
+    @Before
+    public void setup() {
+        final BaseCurrencyNetwork baseCurrencyNetwork = BisqEnvironment.getBaseCurrencyNetwork();
+        final String currencyCode = baseCurrencyNetwork.getCurrencyCode();
+        Res.setBaseCurrencyCode(currencyCode);
+        Res.setBaseCurrencyName(baseCurrencyNetwork.getCurrencyName());
+        CurrencyUtil.setBaseCurrencyCode(currencyCode);
+    }
+
+    @Test
+    public void validate() throws Exception {
+        InteracETransferQuestionValidator validator = new InteracETransferQuestionValidator(new LengthValidator(), new RegexValidator());
+
+        assertTrue(validator.validate("abcdefghijklmnopqrstuvwxyz").isValid);
+        assertTrue(validator.validate("ABCDEFGHIJKLMNOPQRSTUVWXYZ").isValid);
+        assertTrue(validator.validate("1234567890").isValid);
+        assertTrue(validator.validate("' _ , . ? -").isValid);
+        assertTrue(validator.validate("what is 2-1?").isValid);
+
+        assertFalse(validator.validate(null).isValid); // null
+        assertFalse(validator.validate("").isValid); // empty
+        assertFalse(validator.validate("abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ").isValid); // too long
+        assertFalse(validator.validate("abc !@#").isValid); // invalid characters
+    }
+
+}

desktop/src/test/java/bisq/desktop/util/validation/InteracETransferValidatorTest.java

@@ -41,7 +41,11 @@ public void setup() {
 
     @Test
     public void validate() throws Exception {
-        InteracETransferValidator validator = new InteracETransferValidator();
+        InteracETransferValidator validator = new InteracETransferValidator(
+                new EmailValidator(),
+                new InteracETransferQuestionValidator(new LengthValidator(), new RegexValidator()),
+                new InteracETransferAnswerValidator(new LengthValidator(), new RegexValidator())
+        );
 
         assertTrue(validator.validate("name@domain.tld").isValid);
         assertTrue(validator.validate("n1.n2@c.dd").isValid);