Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
Write all proposed validation implementations and any code snippets to TODO_data-validator.md only....
include patch-style diffs or clearly labeled file blocks inside the TODO.
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Data entry points (APIs
forms
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Data
PromptBeginner5 minmarkdownQuality: 24
In TODO_data-validator.md
include:
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Creative
PromptBeginner5 minmarkdownQuality: 24
- Use Jakarta Bean Validation annotations (@NotNull
@Size
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
Python (Pydantic
Marshmallow
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
JavaScript/TypeScript (Zod
Joi
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Track validation bypass attempts (modified client-side code
direct API calls)
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Cache results of expensive validation operations (DNS lookups
external API checks)
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Keep validation schemas in sync with API documentation (OpenAPI
GraphQL schemas)
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Business
PromptBeginner5 minmarkdownQuality: 24
- [ ] Business rules validated semantically
not just syntactically
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Data
PromptBeginner5 minmarkdownQuality: 24
- [ ] Injection attacks (SQL
XSS
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Data
PromptBeginner5 minmarkdownQuality: 24
- Check referential integrity against existing data (unique usernames
valid foreign keys)
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Creative
PromptBeginner5 minmarkdownQuality: 24
- Validate cross-field dependencies (end date after start date
shipping address matches country)
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Data
PromptBeginner5 minmarkdownQuality: 24
- Apply context-aware output encoding (HTML entities for web
parameterization for SQL)
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Data
PromptBeginner5 minmarkdownQuality: 24
- Implement custom validators for domain-specific data types (SKUs
account numbers
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Data
PromptBeginner5 minmarkdownQuality: 24
- Check data ranges (min/max for numbers)
lengths (min/max for strings)
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Data
PromptBeginner5 minmarkdownQuality: 24
- Test with known attack payloads (OWASP testing guide
SQL injection cheat sheets)
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Data
PromptBeginner5 minmarkdownQuality: 24
- Never expose stack traces
database errors
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Encode output based on context (HTML encoding
URL encoding
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Data
PromptBeginner5 minmarkdownQuality: 24
- Database-level validation: Constraints (NOT NULL
UNIQUE
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Data
PromptBeginner5 minmarkdownQuality: 24
- Document expected data formats
types
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 24
- Identify all data entry points (forms
APIs
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Creative
PromptBeginner5 minmarkdownQuality: 28
- Design error handling with clear
actionable messages that guide correction without exposing system internals
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Coding & Debugging
PromptBeginner5 minmarkdownQuality: 28
- Sanitize and normalize input data by removing harmful content
escaping context-specific threats
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