182
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_http.h>
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10
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11
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286
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12 #define NGX_HTTP_DAV_COPY_BLOCK 65536
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13
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14 #define NGX_HTTP_DAV_OFF 2
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15
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16
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17 #define NGX_HTTP_DAV_NO_DEPTH -3
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18 #define NGX_HTTP_DAV_INVALID_DEPTH -2
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19 #define NGX_HTTP_DAV_INFINITY_DEPTH -1
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20
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182
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21
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22 typedef struct {
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23 ngx_uint_t methods;
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362
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24 ngx_uint_t access;
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25 ngx_uint_t min_delete_depth;
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186
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26 ngx_flag_t create_full_put_path;
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182
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27 } ngx_http_dav_loc_conf_t;
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28
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29
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286
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30 typedef struct {
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31 ngx_str_t path;
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32 size_t len;
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33 } ngx_http_dav_copy_ctx_t;
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34
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35
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182
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36 static ngx_int_t ngx_http_dav_handler(ngx_http_request_t *r);
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286
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37
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38 static void ngx_http_dav_put_handler(ngx_http_request_t *r);
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39
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40 static ngx_int_t ngx_http_dav_delete_handler(ngx_http_request_t *r);
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362
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41 static ngx_int_t ngx_http_dav_delete_path(ngx_http_request_t *r,
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42 ngx_str_t *path, ngx_uint_t dir);
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272
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43 static ngx_int_t ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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44 static ngx_int_t ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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362
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45 static ngx_int_t ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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286
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46
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47 static ngx_int_t ngx_http_dav_mkcol_handler(ngx_http_request_t *r,
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48 ngx_http_dav_loc_conf_t *dlcf);
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49
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50 static ngx_int_t ngx_http_dav_copy_move_handler(ngx_http_request_t *r);
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51 static ngx_int_t ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path);
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52 static ngx_int_t ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx,
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53 ngx_str_t *path);
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362
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54 static ngx_int_t ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx,
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55 ngx_str_t *path);
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286
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56
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57 static ngx_int_t ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt);
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58 static ngx_int_t ngx_http_dav_error(ngx_log_t *log, ngx_err_t err,
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186
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59 ngx_int_t not_found, char *failed, u_char *path);
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60 static ngx_int_t ngx_http_dav_location(ngx_http_request_t *r, u_char *path);
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182
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61 static void *ngx_http_dav_create_loc_conf(ngx_conf_t *cf);
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62 static char *ngx_http_dav_merge_loc_conf(ngx_conf_t *cf,
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63 void *parent, void *child);
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230
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64 static ngx_int_t ngx_http_dav_init(ngx_conf_t *cf);
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182
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65
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66
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67 static ngx_conf_bitmask_t ngx_http_dav_methods_mask[] = {
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68 { ngx_string("off"), NGX_HTTP_DAV_OFF },
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69 { ngx_string("put"), NGX_HTTP_PUT },
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70 { ngx_string("delete"), NGX_HTTP_DELETE },
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186
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71 { ngx_string("mkcol"), NGX_HTTP_MKCOL },
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286
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72 { ngx_string("copy"), NGX_HTTP_COPY },
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73 { ngx_string("move"), NGX_HTTP_MOVE },
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182
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74 { ngx_null_string, 0 }
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75 };
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76
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77
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78 static ngx_command_t ngx_http_dav_commands[] = {
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79
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80 { ngx_string("dav_methods"),
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81 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
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82 ngx_conf_set_bitmask_slot,
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83 NGX_HTTP_LOC_CONF_OFFSET,
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84 offsetof(ngx_http_dav_loc_conf_t, methods),
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85 &ngx_http_dav_methods_mask },
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86
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186
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87 { ngx_string("create_full_put_path"),
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88 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
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89 ngx_conf_set_flag_slot,
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90 NGX_HTTP_LOC_CONF_OFFSET,
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91 offsetof(ngx_http_dav_loc_conf_t, create_full_put_path),
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92 NULL },
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93
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362
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94 { ngx_string("min_delete_depth"),
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95 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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96 ngx_conf_set_num_slot,
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97 NGX_HTTP_LOC_CONF_OFFSET,
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98 offsetof(ngx_http_dav_loc_conf_t, min_delete_depth),
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99 NULL },
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100
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218
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101 { ngx_string("dav_access"),
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224
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102 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
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320
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103 ngx_conf_set_access_slot,
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218
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104 NGX_HTTP_LOC_CONF_OFFSET,
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320
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105 offsetof(ngx_http_dav_loc_conf_t, access),
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218
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106 NULL },
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107
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182
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108 ngx_null_command
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109 };
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110
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111
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216
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112 static ngx_http_module_t ngx_http_dav_module_ctx = {
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182
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113 NULL, /* preconfiguration */
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230
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114 ngx_http_dav_init, /* postconfiguration */
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182
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115
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116 NULL, /* create main configuration */
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117 NULL, /* init main configuration */
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118
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119 NULL, /* create server configuration */
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120 NULL, /* merge server configuration */
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121
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122 ngx_http_dav_create_loc_conf, /* create location configuration */
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123 ngx_http_dav_merge_loc_conf /* merge location configuration */
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124 };
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125
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126
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127 ngx_module_t ngx_http_dav_module = {
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128 NGX_MODULE_V1,
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129 &ngx_http_dav_module_ctx, /* module context */
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130 ngx_http_dav_commands, /* module directives */
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131 NGX_HTTP_MODULE, /* module type */
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132 NULL, /* init master */
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230
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133 NULL, /* init module */
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182
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134 NULL, /* init process */
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135 NULL, /* init thread */
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136 NULL, /* exit thread */
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137 NULL, /* exit process */
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138 NULL, /* exit master */
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139 NGX_MODULE_V1_PADDING
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140 };
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141
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142
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143 static ngx_int_t
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144 ngx_http_dav_handler(ngx_http_request_t *r)
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145 {
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146 ngx_int_t rc;
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147 ngx_http_dav_loc_conf_t *dlcf;
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148
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149 if (r->zero_in_uri) {
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150 return NGX_DECLINED;
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151 }
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152
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153 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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154
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155 if (!(r->method & dlcf->methods)) {
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156 return NGX_DECLINED;
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157 }
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158
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159 switch (r->method) {
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160
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161 case NGX_HTTP_PUT:
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162
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163 if (r->uri.data[r->uri.len - 1] == '/') {
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362
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164 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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165 "can not PUT to a collection");
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166 return NGX_HTTP_CONFLICT;
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182
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167 }
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168
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169 r->request_body_in_file_only = 1;
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170 r->request_body_in_persistent_file = 1;
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278
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171 r->request_body_in_clean_file = 1;
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182
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172 r->request_body_file_group_access = 1;
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186
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173 r->request_body_file_log_level = 0;
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182
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174
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175 rc = ngx_http_read_client_request_body(r, ngx_http_dav_put_handler);
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176
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177 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
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178 return rc;
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179 }
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180
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181 return NGX_DONE;
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182
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183 case NGX_HTTP_DELETE:
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184
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286
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185 return ngx_http_dav_delete_handler(r);
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186
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186
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187 case NGX_HTTP_MKCOL:
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188
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286
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189 return ngx_http_dav_mkcol_handler(r, dlcf);
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186
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190
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286
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191 case NGX_HTTP_COPY:
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186
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192
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286
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193 return ngx_http_dav_copy_move_handler(r);
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186
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194
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286
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195 case NGX_HTTP_MOVE:
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186
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196
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286
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197 return ngx_http_dav_copy_move_handler(r);
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182
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198 }
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199
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200 return NGX_DECLINED;
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201 }
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202
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203
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204 static void
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205 ngx_http_dav_put_handler(ngx_http_request_t *r)
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206 {
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248
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207 size_t root;
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230
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208 time_t date;
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186
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209 ngx_str_t *temp, path;
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362
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210 ngx_uint_t status;
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186
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211 ngx_file_info_t fi;
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362
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212 ngx_ext_rename_file_t ext;
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186
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213 ngx_http_dav_loc_conf_t *dlcf;
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182
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214
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248
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215 ngx_http_map_uri_to_path(r, &path, &root, 0);
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182
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216
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516
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217 path.len--;
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218
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182
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219 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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220 "http put filename: \"%s\"", path.data);
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221
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222 temp = &r->request_body->temp_file->file.name;
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223
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484
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224 if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) {
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182
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225 status = NGX_HTTP_CREATED;
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226
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227 } else {
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228 status = NGX_HTTP_NO_CONTENT;
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212
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229
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230 if (ngx_is_dir(&fi)) {
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231 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR,
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232 "\"%s\" could not be created", path.data);
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182
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233
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212
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234 if (ngx_delete_file(temp->data) == NGX_FILE_ERROR) {
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235 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
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236 ngx_delete_file_n " \"%s\" failed",
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237 temp->data);
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238 }
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239
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240 ngx_http_finalize_request(r, NGX_HTTP_CONFLICT);
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241 return;
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210
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242 }
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186
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243 }
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244
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218
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245 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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246
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362
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247 ext.access = dlcf->access;
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430
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248 ext.path_access = dlcf->access;
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362
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249 ext.time = -1;
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250 ext.create_path = dlcf->create_full_put_path;
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366
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251 ext.delete_file = 1;
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362
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252 ext.log = r->connection->log;
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218
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253
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230
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254 if (r->headers_in.date) {
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255 date = ngx_http_parse_time(r->headers_in.date->value.data,
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256 r->headers_in.date->value.len);
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257
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258 if (date != NGX_ERROR) {
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362
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259 ext.time = date;
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260 ext.fd = r->request_body->temp_file->file.fd;
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230
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261 }
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262 }
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263
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362
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264 if (ngx_ext_rename_file(temp, &path, &ext) != NGX_OK) {
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265 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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266 return;
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186
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267 }
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268
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182
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269 if (status == NGX_HTTP_CREATED) {
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186
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270 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
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182
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271 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
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272 return;
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273 }
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188
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274
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275 r->headers_out.content_length_n = 0;
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182
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276 }
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277
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278 r->headers_out.status = status;
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279 r->header_only = 1;
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280
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281 ngx_http_finalize_request(r, ngx_http_send_header(r));
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282 return;
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283 }
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284
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285
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186
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286 static ngx_int_t
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286
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287 ngx_http_dav_delete_handler(ngx_http_request_t *r)
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288 {
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362
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289 size_t root;
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290 ngx_err_t err;
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291 ngx_int_t rc, depth;
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292 ngx_uint_t i, d, dir;
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293 ngx_str_t path;
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294 ngx_file_info_t fi;
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295 ngx_http_dav_loc_conf_t *dlcf;
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286
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296
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297 if (r->headers_in.content_length_n > 0) {
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362
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298 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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299 "DELETE with body is unsupported");
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286
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300 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
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301 }
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302
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362
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303 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
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304
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305 if (dlcf->min_delete_depth) {
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306 d = 0;
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286
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307
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362
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308 for (i = 0; i < r->uri.len; /* void */) {
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309 if (r->uri.data[i++] == '/') {
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310 if (++d >= dlcf->min_delete_depth && i < r->uri.len) {
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311 goto ok;
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312 }
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313 }
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314 }
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315
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316 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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317 "insufficient URI depth:%i to DELETE", d);
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318 return NGX_HTTP_CONFLICT;
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286
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319 }
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320
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362
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321 ok:
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322
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286
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323 ngx_http_map_uri_to_path(r, &path, &root, 0);
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324
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325 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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326 "http delete filename: \"%s\"", path.data);
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327
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484
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328 if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) {
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362
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329 err = ngx_errno;
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330
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331 rc = (err == NGX_ENOTDIR) ? NGX_HTTP_CONFLICT : NGX_HTTP_NOT_FOUND;
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332
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333 return ngx_http_dav_error(r->connection->log, err,
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334 rc, ngx_file_info_n, path.data);
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286
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335 }
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336
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337 if (ngx_is_dir(&fi)) {
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338
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339 if (r->uri.data[r->uri.len - 1] != '/') {
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362
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340 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EISDIR,
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341 "DELETE \"%s\" failed", path.data);
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342 return NGX_HTTP_CONFLICT;
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286
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343 }
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344
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345 depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
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346
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347 if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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362
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348 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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349 "\"Depth\" header must be infinity");
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286
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350 return NGX_HTTP_BAD_REQUEST;
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351 }
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352
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353 path.len -= 2; /* omit "/\0" */
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354
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355 dir = 1;
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356
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357 } else {
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358
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362
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359 /*
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360 * we do not need to test (r->uri.data[r->uri.len - 1] == '/')
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361 * because ngx_file_info("/file/") returned NGX_ENOTDIR above
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362 */
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363
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286
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364 depth = ngx_http_dav_depth(r, 0);
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365
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366 if (depth != 0 && depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
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362
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367 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
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368 "\"Depth\" header must be 0 or infinity");
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286
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369 return NGX_HTTP_BAD_REQUEST;
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370 }
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371
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372 dir = 0;
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373 }
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374
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375 rc = ngx_http_dav_delete_path(r, &path, dir);
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376
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377 if (rc == NGX_OK) {
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378 return NGX_HTTP_NO_CONTENT;
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379 }
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380
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381 return rc;
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382 }
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383
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384
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385 static ngx_int_t
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362
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386 ngx_http_dav_delete_path(ngx_http_request_t *r, ngx_str_t *path, ngx_uint_t dir)
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286
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387 {
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362
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388 char *failed;
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389 ngx_tree_ctx_t tree;
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390
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391 if (dir) {
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392
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393 tree.init_handler = NULL;
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394 tree.file_handler = ngx_http_dav_delete_file;
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395 tree.pre_tree_handler = ngx_http_dav_noop;
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396 tree.post_tree_handler = ngx_http_dav_delete_dir;
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397 tree.spec_handler = ngx_http_dav_delete_file;
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398 tree.data = NULL;
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399 tree.alloc = 0;
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400 tree.log = r->connection->log;
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401
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402 /* TODO: 207 */
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403
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404 if (ngx_walk_tree(&tree, path) != NGX_OK) {
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405 return NGX_HTTP_INTERNAL_SERVER_ERROR;
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406 }
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407
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408 if (ngx_delete_dir(path->data) != NGX_FILE_ERROR) {
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409 return NGX_OK;
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410 }
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411
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412 failed = ngx_delete_dir_n;
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413
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414 } else {
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415
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416 if (ngx_delete_file(path->data) != NGX_FILE_ERROR) {
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417 return NGX_OK;
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418 }
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419
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420 failed = ngx_delete_file_n;
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421 }
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422
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423 return ngx_http_dav_error(r->connection->log, ngx_errno,
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424 NGX_HTTP_NOT_FOUND, failed, path->data);
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286
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425 }
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426
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427
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428 static ngx_int_t
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429 ngx_http_dav_delete_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
430 {
|
|
431 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
432 "http delete dir: \"%s\"", path->data);
|
|
433
|
|
434 if (ngx_delete_dir(path->data) == NGX_FILE_ERROR) {
|
|
435
|
|
436 /* TODO: add to 207 */
|
|
437
|
|
438 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_dir_n,
|
|
439 path->data);
|
|
440 }
|
|
441
|
|
442 return NGX_OK;
|
|
443 }
|
|
444
|
|
445
|
|
446 static ngx_int_t
|
|
447 ngx_http_dav_delete_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
448 {
|
|
449 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
450 "http delete file: \"%s\"", path->data);
|
|
451
|
|
452 if (ngx_delete_file(path->data) == NGX_FILE_ERROR) {
|
|
453
|
|
454 /* TODO: add to 207 */
|
|
455
|
|
456 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_delete_file_n,
|
|
457 path->data);
|
|
458 }
|
|
459
|
|
460 return NGX_OK;
|
|
461 }
|
|
462
|
|
463
|
|
464 static ngx_int_t
|
362
|
465 ngx_http_dav_noop(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
466 {
|
|
467 return NGX_OK;
|
|
468 }
|
|
469
|
|
470
|
|
471 static ngx_int_t
|
286
|
472 ngx_http_dav_mkcol_handler(ngx_http_request_t *r, ngx_http_dav_loc_conf_t *dlcf)
|
|
473 {
|
362
|
474 u_char *p;
|
286
|
475 size_t root;
|
|
476 ngx_str_t path;
|
|
477
|
|
478 if (r->headers_in.content_length_n > 0) {
|
362
|
479 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
480 "MKCOL with body is unsupported");
|
286
|
481 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
482 }
|
|
483
|
362
|
484 if (r->uri.data[r->uri.len - 1] != '/') {
|
|
485 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
486 "MKCOL can create a collection only");
|
|
487 return NGX_HTTP_CONFLICT;
|
286
|
488 }
|
|
489
|
362
|
490 p = ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
491
|
|
492 *(p - 1) = '\0';
|
286
|
493
|
|
494 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
495 "http mkcol path: \"%s\"", path.data);
|
|
496
|
|
497 if (ngx_create_dir(path.data, ngx_dir_access(dlcf->access))
|
|
498 != NGX_FILE_ERROR)
|
|
499 {
|
|
500 if (ngx_http_dav_location(r, path.data) != NGX_OK) {
|
|
501 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
502 }
|
|
503
|
|
504 return NGX_HTTP_CREATED;
|
|
505 }
|
|
506
|
|
507 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
362
|
508 NGX_HTTP_CONFLICT, ngx_create_dir_n, path.data);
|
286
|
509 }
|
|
510
|
|
511
|
|
512 static ngx_int_t
|
|
513 ngx_http_dav_copy_move_handler(ngx_http_request_t *r)
|
|
514 {
|
376
|
515 u_char *p, *host, *last, ch;
|
362
|
516 size_t len, root;
|
286
|
517 ngx_err_t err;
|
|
518 ngx_int_t rc, depth;
|
530
|
519 ngx_uint_t overwrite, slash, dir, flags;
|
|
520 ngx_str_t path, uri, duri, args;
|
286
|
521 ngx_tree_ctx_t tree;
|
514
|
522 ngx_copy_file_t cf;
|
286
|
523 ngx_file_info_t fi;
|
376
|
524 ngx_table_elt_t *dest, *over;
|
430
|
525 ngx_ext_rename_file_t ext;
|
286
|
526 ngx_http_dav_copy_ctx_t copy;
|
362
|
527 ngx_http_dav_loc_conf_t *dlcf;
|
286
|
528
|
|
529 if (r->headers_in.content_length_n > 0) {
|
|
530 return NGX_HTTP_UNSUPPORTED_MEDIA_TYPE;
|
|
531 }
|
|
532
|
|
533 dest = r->headers_in.destination;
|
|
534
|
|
535 if (dest == NULL) {
|
|
536 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
537 "client sent no \"Destination\" header");
|
|
538 return NGX_HTTP_BAD_REQUEST;
|
|
539 }
|
|
540
|
376
|
541 len = r->headers_in.server.len;
|
362
|
542
|
376
|
543 if (len == 0) {
|
362
|
544 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
545 "client sent no \"Host\" header");
|
|
546 return NGX_HTTP_BAD_REQUEST;
|
286
|
547 }
|
|
548
|
|
549 #if (NGX_HTTP_SSL)
|
|
550
|
|
551 if (r->connection->ssl) {
|
|
552 if (ngx_strncmp(dest->value.data, "https://", sizeof("https://") - 1)
|
|
553 != 0)
|
|
554 {
|
|
555 goto invalid_destination;
|
|
556 }
|
|
557
|
376
|
558 host = dest->value.data + sizeof("https://") - 1;
|
286
|
559
|
|
560 } else
|
|
561 #endif
|
|
562 {
|
|
563 if (ngx_strncmp(dest->value.data, "http://", sizeof("http://") - 1)
|
|
564 != 0)
|
|
565 {
|
|
566 goto invalid_destination;
|
|
567 }
|
|
568
|
376
|
569 host = dest->value.data + sizeof("http://") - 1;
|
286
|
570 }
|
|
571
|
376
|
572 if (ngx_strncmp(host, r->headers_in.server.data, len) != 0) {
|
286
|
573 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
362
|
574 "\"Destination\" URI \"%V\" is handled by "
|
286
|
575 "different repository than the source URI",
|
|
576 &dest->value);
|
|
577 return NGX_HTTP_BAD_REQUEST;
|
|
578 }
|
|
579
|
|
580 last = dest->value.data + dest->value.len;
|
|
581
|
376
|
582 for (p = host + len; p < last; p++) {
|
286
|
583 if (*p == '/') {
|
|
584 goto destination_done;
|
|
585 }
|
|
586 }
|
|
587
|
|
588 invalid_destination:
|
|
589
|
|
590 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
591 "client sent invalid \"Destination\" header: \"%V\"",
|
|
592 &dest->value);
|
|
593 return NGX_HTTP_BAD_REQUEST;
|
|
594
|
|
595 destination_done:
|
|
596
|
530
|
597 duri.len = last - p;
|
|
598 duri.data = p;
|
|
599 flags = 0;
|
|
600
|
|
601 if (ngx_http_parse_unsafe_uri(r, &duri, &args, &flags) != NGX_OK) {
|
|
602 goto invalid_destination;
|
|
603 }
|
|
604
|
362
|
605 if ((r->uri.data[r->uri.len - 1] == '/' && *(last - 1) != '/')
|
|
606 || (r->uri.data[r->uri.len - 1] != '/' && *(last - 1) == '/'))
|
|
607 {
|
|
608 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
609 "both URI \"%V\" and \"Destination\" URI \"%V\" "
|
|
610 "should be either collections or non-collections",
|
|
611 &r->uri, &dest->value);
|
|
612 return NGX_HTTP_CONFLICT;
|
|
613 }
|
|
614
|
|
615 depth = ngx_http_dav_depth(r, NGX_HTTP_DAV_INFINITY_DEPTH);
|
286
|
616
|
362
|
617 if (depth != NGX_HTTP_DAV_INFINITY_DEPTH) {
|
|
618
|
|
619 if (r->method == NGX_HTTP_COPY) {
|
|
620 if (depth != 0) {
|
|
621 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
622 "\"Depth\" header must be 0 or infinity");
|
|
623 return NGX_HTTP_BAD_REQUEST;
|
|
624 }
|
|
625
|
|
626 } else {
|
|
627 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
628 "\"Depth\" header must be infinity");
|
|
629 return NGX_HTTP_BAD_REQUEST;
|
|
630 }
|
286
|
631 }
|
296
|
632
|
286
|
633 over = r->headers_in.overwrite;
|
|
634
|
|
635 if (over) {
|
|
636 if (over->value.len == 1) {
|
|
637 ch = over->value.data[0];
|
|
638
|
|
639 if (ch == 'T' || ch == 't') {
|
|
640 overwrite = 1;
|
|
641 goto overwrite_done;
|
|
642 }
|
|
643
|
|
644 if (ch == 'F' || ch == 'f') {
|
|
645 overwrite = 0;
|
|
646 goto overwrite_done;
|
|
647 }
|
|
648
|
|
649 }
|
|
650
|
|
651 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
652 "client sent invalid \"Overwrite\" header: \"%V\"",
|
|
653 &over->value);
|
|
654 return NGX_HTTP_BAD_REQUEST;
|
|
655 }
|
|
656
|
|
657 overwrite = 1;
|
|
658
|
|
659 overwrite_done:
|
|
660
|
|
661 ngx_http_map_uri_to_path(r, &path, &root, 0);
|
|
662
|
|
663 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
664 "http copy from: \"%s\"", path.data);
|
|
665
|
|
666 uri = r->uri;
|
530
|
667 r->uri = duri;
|
286
|
668
|
|
669 ngx_http_map_uri_to_path(r, ©.path, &root, 0);
|
|
670
|
|
671 r->uri = uri;
|
|
672
|
|
673 copy.path.len--; /* omit "\0" */
|
|
674
|
|
675 if (copy.path.data[copy.path.len - 1] == '/') {
|
|
676 slash = 1;
|
|
677 copy.path.len--;
|
|
678 copy.path.data[copy.path.len] = '\0';
|
|
679
|
|
680 } else {
|
|
681 slash = 0;
|
|
682 }
|
|
683
|
|
684 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
685 "http copy to: \"%s\"", copy.path.data);
|
|
686
|
484
|
687 if (ngx_file_info(copy.path.data, &fi) == NGX_FILE_ERROR) {
|
286
|
688 err = ngx_errno;
|
|
689
|
|
690 if (err != NGX_ENOENT) {
|
|
691 return ngx_http_dav_error(r->connection->log, err,
|
|
692 NGX_HTTP_NOT_FOUND, ngx_file_info_n,
|
|
693 copy.path.data);
|
|
694 }
|
|
695
|
|
696 /* destination does not exist */
|
|
697
|
362
|
698 overwrite = 0;
|
|
699 dir = 0;
|
|
700
|
286
|
701 } else {
|
|
702
|
|
703 /* destination exists */
|
|
704
|
|
705 if (ngx_is_dir(&fi) && !slash) {
|
362
|
706 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
707 "\"%V\" could not be %Ved to collection \"%V\"",
|
|
708 &r->uri, &r->method_name, &dest->value);
|
286
|
709 return NGX_HTTP_CONFLICT;
|
|
710 }
|
|
711
|
|
712 if (!overwrite) {
|
362
|
713 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_EEXIST,
|
|
714 "\"%s\" could not be created", copy.path.data);
|
286
|
715 return NGX_HTTP_PRECONDITION_FAILED;
|
|
716 }
|
|
717
|
362
|
718 dir = ngx_is_dir(&fi);
|
286
|
719 }
|
|
720
|
484
|
721 if (ngx_file_info(path.data, &fi) == NGX_FILE_ERROR) {
|
286
|
722 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
723 NGX_HTTP_NOT_FOUND, ngx_file_info_n,
|
|
724 path.data);
|
|
725 }
|
|
726
|
|
727 if (ngx_is_dir(&fi)) {
|
|
728
|
|
729 if (r->uri.data[r->uri.len - 1] != '/') {
|
362
|
730 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
731 "\"%V\" is collection", &r->uri);
|
286
|
732 return NGX_HTTP_BAD_REQUEST;
|
|
733 }
|
|
734
|
362
|
735 if (overwrite) {
|
|
736 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
737 "http delete: \"%s\"", copy.path.data);
|
|
738
|
|
739 rc = ngx_http_dav_delete_path(r, ©.path, dir);
|
|
740
|
|
741 if (rc != NGX_OK) {
|
|
742 return rc;
|
|
743 }
|
|
744 }
|
|
745 }
|
|
746
|
|
747 if (ngx_is_dir(&fi)) {
|
|
748
|
286
|
749 path.len -= 2; /* omit "/\0" */
|
|
750
|
|
751 if (r->method == NGX_HTTP_MOVE) {
|
|
752 if (ngx_rename_file(path.data, copy.path.data) != NGX_FILE_ERROR) {
|
|
753 return NGX_HTTP_CREATED;
|
|
754 }
|
|
755 }
|
|
756
|
|
757 if (ngx_create_dir(copy.path.data, ngx_file_access(&fi))
|
|
758 == NGX_FILE_ERROR)
|
|
759 {
|
|
760 return ngx_http_dav_error(r->connection->log, ngx_errno,
|
|
761 NGX_HTTP_NOT_FOUND,
|
|
762 ngx_create_dir_n, copy.path.data);
|
|
763 }
|
|
764
|
|
765 copy.len = path.len;
|
|
766
|
358
|
767 tree.init_handler = NULL;
|
362
|
768 tree.file_handler = ngx_http_dav_copy_tree_file;
|
286
|
769 tree.pre_tree_handler = ngx_http_dav_copy_dir;
|
|
770 tree.post_tree_handler = ngx_http_dav_copy_dir_time;
|
|
771 tree.spec_handler = ngx_http_dav_noop;
|
|
772 tree.data = ©
|
|
773 tree.alloc = 0;
|
|
774 tree.log = r->connection->log;
|
|
775
|
|
776 if (ngx_walk_tree(&tree, &path) == NGX_OK) {
|
|
777
|
|
778 if (r->method == NGX_HTTP_MOVE) {
|
|
779 rc = ngx_http_dav_delete_path(r, &path, 1);
|
|
780
|
|
781 if (rc != NGX_OK) {
|
|
782 return rc;
|
|
783 }
|
|
784 }
|
|
785
|
|
786 return NGX_HTTP_CREATED;
|
|
787 }
|
|
788
|
|
789 } else {
|
|
790
|
|
791 if (r->method == NGX_HTTP_MOVE) {
|
430
|
792
|
|
793 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
|
|
794
|
|
795 ext.access = 0;
|
|
796 ext.path_access = dlcf->access;
|
|
797 ext.time = -1;
|
|
798 ext.create_path = 1;
|
|
799 ext.delete_file = 0;
|
|
800 ext.log = r->connection->log;
|
|
801
|
|
802 if (ngx_ext_rename_file(&path, ©.path, &ext) == NGX_OK) {
|
286
|
803 return NGX_HTTP_NO_CONTENT;
|
|
804 }
|
430
|
805
|
514
|
806 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
286
|
807 }
|
|
808
|
362
|
809 dlcf = ngx_http_get_module_loc_conf(r, ngx_http_dav_module);
|
|
810
|
514
|
811 cf.size = ngx_file_size(&fi);
|
|
812 cf.buf_size = 0;
|
|
813 cf.access = dlcf->access;
|
|
814 cf.time = ngx_file_mtime(&fi);
|
|
815 cf.log = r->connection->log;
|
286
|
816
|
514
|
817 if (ngx_copy_file(path.data, copy.path.data, &cf) == NGX_OK) {
|
286
|
818 return NGX_HTTP_NO_CONTENT;
|
|
819 }
|
|
820 }
|
|
821
|
|
822 return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
823 }
|
|
824
|
|
825
|
|
826 static ngx_int_t
|
|
827 ngx_http_dav_copy_dir(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
828 {
|
|
829 u_char *p, *dir;
|
|
830 size_t len;
|
|
831 ngx_http_dav_copy_ctx_t *copy;
|
|
832
|
|
833 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
834 "http copy dir: \"%s\"", path->data);
|
|
835
|
|
836 copy = ctx->data;
|
|
837
|
|
838 len = copy->path.len + path->len;
|
|
839
|
|
840 dir = ngx_alloc(len + 1, ctx->log);
|
|
841 if (dir == NULL) {
|
|
842 return NGX_ABORT;
|
|
843 }
|
|
844
|
|
845 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
846 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
847
|
|
848 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
849 "http copy dir to: \"%s\"", dir);
|
|
850
|
|
851 if (ngx_create_dir(dir, ngx_dir_access(ctx->access)) == NGX_FILE_ERROR) {
|
|
852 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_create_dir_n,
|
|
853 dir);
|
|
854 }
|
|
855
|
|
856 ngx_free(dir);
|
|
857
|
|
858 return NGX_OK;
|
|
859 }
|
|
860
|
|
861
|
|
862 static ngx_int_t
|
|
863 ngx_http_dav_copy_dir_time(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
|
864 {
|
|
865 u_char *p, *dir;
|
|
866 size_t len;
|
|
867 ngx_http_dav_copy_ctx_t *copy;
|
|
868
|
|
869 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
870 "http copy dir time: \"%s\"", path->data);
|
|
871
|
|
872 copy = ctx->data;
|
|
873
|
|
874 len = copy->path.len + path->len;
|
|
875
|
|
876 dir = ngx_alloc(len + 1, ctx->log);
|
|
877 if (dir == NULL) {
|
|
878 return NGX_ABORT;
|
|
879 }
|
|
880
|
|
881 p = ngx_cpymem(dir, copy->path.data, copy->path.len);
|
|
882 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
883
|
|
884 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
885 "http copy dir time to: \"%s\"", dir);
|
|
886
|
362
|
887 #if (NGX_WIN32)
|
|
888 {
|
|
889 ngx_fd_t fd;
|
286
|
890
|
|
891 fd = ngx_open_file(dir, NGX_FILE_RDWR, NGX_FILE_OPEN, 0);
|
|
892
|
|
893 if (fd == NGX_INVALID_FILE) {
|
|
894 (void) ngx_http_dav_error(ctx->log, ngx_errno, 0, ngx_open_file_n, dir);
|
|
895 goto failed;
|
|
896 }
|
|
897
|
|
898 if (ngx_set_file_time(NULL, fd, ctx->mtime) != NGX_OK) {
|
|
899 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
900 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
901 }
|
|
902
|
|
903 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
904 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
905 ngx_close_file_n " \"%s\" failed", dir);
|
|
906 }
|
362
|
907 }
|
286
|
908
|
|
909 failed:
|
|
910
|
|
911 #else
|
|
912
|
|
913 if (ngx_set_file_time(dir, 0, ctx->mtime) != NGX_OK) {
|
|
914 ngx_log_error(NGX_LOG_ALERT, ctx->log, ngx_errno,
|
|
915 ngx_set_file_time_n " \"%s\" failed", dir);
|
|
916 }
|
|
917
|
|
918 #endif
|
|
919
|
|
920 ngx_free(dir);
|
|
921
|
|
922 return NGX_OK;
|
|
923 }
|
|
924
|
|
925
|
|
926 static ngx_int_t
|
362
|
927 ngx_http_dav_copy_tree_file(ngx_tree_ctx_t *ctx, ngx_str_t *path)
|
286
|
928 {
|
|
929 u_char *p, *file;
|
|
930 size_t len;
|
514
|
931 ngx_copy_file_t cf;
|
286
|
932 ngx_http_dav_copy_ctx_t *copy;
|
|
933
|
|
934 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
935 "http copy file: \"%s\"", path->data);
|
|
936
|
|
937 copy = ctx->data;
|
|
938
|
|
939 len = copy->path.len + path->len;
|
|
940
|
|
941 file = ngx_alloc(len + 1, ctx->log);
|
|
942 if (file == NULL) {
|
|
943 return NGX_ABORT;
|
|
944 }
|
|
945
|
|
946 p = ngx_cpymem(file, copy->path.data, copy->path.len);
|
|
947 (void) ngx_cpystrn(p, path->data + copy->len, path->len - copy->len + 1);
|
|
948
|
|
949 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->log, 0,
|
|
950 "http copy file to: \"%s\"", file);
|
|
951
|
514
|
952 cf.size = ctx->size;
|
|
953 cf.buf_size = 0;
|
|
954 cf.access = ctx->access;
|
|
955 cf.time = ctx->mtime;
|
|
956 cf.log = ctx->log;
|
|
957
|
|
958 (void) ngx_copy_file(path->data, file, &cf);
|
362
|
959
|
|
960 ngx_free(file);
|
|
961
|
|
962 return NGX_OK;
|
|
963 }
|
|
964
|
|
965
|
|
966 static ngx_int_t
|
286
|
967 ngx_http_dav_depth(ngx_http_request_t *r, ngx_int_t dflt)
|
|
968 {
|
|
969 ngx_table_elt_t *depth;
|
296
|
970
|
286
|
971 depth = r->headers_in.depth;
|
|
972
|
|
973 if (depth == NULL) {
|
|
974 return dflt;
|
|
975 }
|
|
976
|
|
977 if (depth->value.len == 1) {
|
|
978
|
|
979 if (depth->value.data[0] == '0') {
|
|
980 return 0;
|
|
981 }
|
|
982
|
|
983 if (depth->value.data[0] == '1') {
|
|
984 return 1;
|
|
985 }
|
|
986
|
|
987 } else {
|
|
988
|
|
989 if (depth->value.len == sizeof("infinity") - 1
|
|
990 && ngx_strcmp(depth->value.data, "infinity") == 0)
|
|
991 {
|
|
992 return NGX_HTTP_DAV_INFINITY_DEPTH;
|
|
993 }
|
|
994 }
|
|
995
|
|
996 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
997 "client sent invalid \"Depth\" header: \"%V\"",
|
|
998 &depth->value);
|
|
999
|
|
1000 return NGX_HTTP_DAV_INVALID_DEPTH;
|
|
1001 }
|
|
1002
|
|
1003
|
|
1004 static ngx_int_t
|
|
1005 ngx_http_dav_error(ngx_log_t *log, ngx_err_t err, ngx_int_t not_found,
|
186
|
1006 char *failed, u_char *path)
|
|
1007 {
|
|
1008 ngx_int_t rc;
|
|
1009 ngx_uint_t level;
|
|
1010
|
|
1011 if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) {
|
|
1012 level = NGX_LOG_ERR;
|
|
1013 rc = not_found;
|
|
1014
|
|
1015 } else if (err == NGX_EACCES || err == NGX_EPERM) {
|
|
1016 level = NGX_LOG_ERR;
|
|
1017 rc = NGX_HTTP_FORBIDDEN;
|
|
1018
|
|
1019 } else if (err == NGX_EEXIST) {
|
|
1020 level = NGX_LOG_ERR;
|
|
1021 rc = NGX_HTTP_NOT_ALLOWED;
|
|
1022
|
|
1023 } else if (err == NGX_ENOSPC) {
|
|
1024 level = NGX_LOG_CRIT;
|
|
1025 rc = NGX_HTTP_INSUFFICIENT_STORAGE;
|
|
1026
|
|
1027 } else {
|
|
1028 level = NGX_LOG_CRIT;
|
|
1029 rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
1030 }
|
|
1031
|
286
|
1032 ngx_log_error(level, log, err, "%s \"%s\" failed", failed, path);
|
186
|
1033
|
|
1034 return rc;
|
|
1035 }
|
|
1036
|
|
1037
|
|
1038 static ngx_int_t
|
|
1039 ngx_http_dav_location(ngx_http_request_t *r, u_char *path)
|
|
1040 {
|
|
1041 u_char *location;
|
|
1042 ngx_http_core_loc_conf_t *clcf;
|
|
1043
|
|
1044 r->headers_out.location = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));
|
|
1045 if (r->headers_out.location == NULL) {
|
|
1046 return NGX_ERROR;
|
|
1047 }
|
|
1048
|
|
1049 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
1050
|
|
1051 if (!clcf->alias && clcf->root_lengths == NULL) {
|
|
1052 location = path + clcf->root.len;
|
|
1053
|
|
1054 } else {
|
382
|
1055 location = ngx_pnalloc(r->pool, r->uri.len);
|
186
|
1056 if (location == NULL) {
|
|
1057 return NGX_ERROR;
|
|
1058 }
|
|
1059
|
|
1060 ngx_memcpy(location, r->uri.data, r->uri.len);
|
|
1061 }
|
|
1062
|
|
1063 /*
|
|
1064 * we do not need to set the r->headers_out.location->hash and
|
|
1065 * r->headers_out.location->key fields
|
|
1066 */
|
|
1067
|
|
1068 r->headers_out.location->value.len = r->uri.len;
|
|
1069 r->headers_out.location->value.data = location;
|
|
1070
|
|
1071 return NGX_OK;
|
|
1072 }
|
|
1073
|
|
1074
|
182
|
1075 static void *
|
|
1076 ngx_http_dav_create_loc_conf(ngx_conf_t *cf)
|
|
1077 {
|
|
1078 ngx_http_dav_loc_conf_t *conf;
|
|
1079
|
|
1080 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_dav_loc_conf_t));
|
|
1081 if (conf == NULL) {
|
496
|
1082 return NULL;
|
182
|
1083 }
|
|
1084
|
|
1085 /*
|
|
1086 * set by ngx_pcalloc():
|
|
1087 *
|
|
1088 * conf->methods = 0;
|
|
1089 */
|
|
1090
|
364
|
1091 conf->min_delete_depth = NGX_CONF_UNSET_UINT;
|
362
|
1092 conf->access = NGX_CONF_UNSET_UINT;
|
186
|
1093 conf->create_full_put_path = NGX_CONF_UNSET;
|
|
1094
|
182
|
1095 return conf;
|
|
1096 }
|
|
1097
|
|
1098
|
|
1099 static char *
|
|
1100 ngx_http_dav_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
1101 {
|
|
1102 ngx_http_dav_loc_conf_t *prev = parent;
|
|
1103 ngx_http_dav_loc_conf_t *conf = child;
|
|
1104
|
|
1105 ngx_conf_merge_bitmask_value(conf->methods, prev->methods,
|
186
|
1106 (NGX_CONF_BITMASK_SET|NGX_HTTP_DAV_OFF));
|
|
1107
|
362
|
1108 ngx_conf_merge_uint_value(conf->min_delete_depth,
|
|
1109 prev->min_delete_depth, 0);
|
182
|
1110
|
218
|
1111 ngx_conf_merge_uint_value(conf->access, prev->access, 0600);
|
|
1112
|
362
|
1113 ngx_conf_merge_value(conf->create_full_put_path,
|
|
1114 prev->create_full_put_path, 0);
|
|
1115
|
182
|
1116 return NGX_CONF_OK;
|
|
1117 }
|
|
1118
|
|
1119
|
|
1120 static ngx_int_t
|
230
|
1121 ngx_http_dav_init(ngx_conf_t *cf)
|
182
|
1122 {
|
|
1123 ngx_http_handler_pt *h;
|
|
1124 ngx_http_core_main_conf_t *cmcf;
|
|
1125
|
230
|
1126 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
|
182
|
1127
|
|
1128 h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
|
|
1129 if (h == NULL) {
|
|
1130 return NGX_ERROR;
|
|
1131 }
|
|
1132
|
|
1133 *h = ngx_http_dav_handler;
|
|
1134
|
|
1135 return NGX_OK;
|
|
1136 }
|