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#include |
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#include |
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#include |
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#include "houdini.h" |
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static const char URL_SAFE[] = { |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, |
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, |
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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}; |
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static const char URI_SAFE[] = { |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, |
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0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
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}; |
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static int |
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escape(gh_buf *ob, const uint8_t *src, size_t size, |
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const char *safe_table, bool escape_plus) |
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{ |
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static const uint8_t hex_chars[] = "0123456789ABCDEF"; |
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size_t i = 0, org; |
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uint8_t hex_str[3]; |
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hex_str[0] = '%'; |
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while (i < size) { |
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org = i; |
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while (i < size && safe_table[src[i]] != 0) |
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i++; |
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if (likely(i > org)) { |
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if (unlikely(org == 0)) { |
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if (i >= size) |
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return 0; |
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gh_buf_grow(ob, HOUDINI_ESCAPED_SIZE(size)); |
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} |
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gh_buf_put(ob, src + org, i - org); |
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} |
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/* escaping */ |
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100
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if (i >= size) |
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break; |
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if (src[i] == ' ' && escape_plus) { |
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1
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gh_buf_putc(ob, '+'); |
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} else { |
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hex_str[1] = hex_chars[(src[i] >> 4) & 0xF]; |
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hex_str[2] = hex_chars[src[i] & 0xF]; |
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gh_buf_put(ob, hex_str, 3); |
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} |
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i++; |
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} |
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return 1; |
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} |
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int |
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houdini_escape_uri(gh_buf *ob, const uint8_t *src, size_t size) |
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{ |
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return escape(ob, src, size, URI_SAFE, false); |
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} |
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int |
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0
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houdini_escape_uri_component(gh_buf *ob, const uint8_t *src, size_t size) |
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{ |
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return escape(ob, src, size, URL_SAFE, false); |
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} |
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int |
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houdini_escape_url(gh_buf *ob, const uint8_t *src, size_t size) |
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{ |
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return escape(ob, src, size, URL_SAFE, true); |
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} |
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